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Math › Statistics and Probability › Data Handling › Stem and Leaf

2420 Back To Back STEM Plots

Statistics

Grade 7th,
Grade 8th,
Grade 9th,
Grade 10th

AP Statistics

IB Mathematics

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| By Anthony Nunan

A

Anthony Nunan

Community Contributor

Quizzes Created: 132 | Total Attempts: 49,736

| Attempts: 399 | Questions: 44 | Updated: Mar 20, 2025

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Question 1 / 44

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1) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

About This Quiz

Stem And Leaf Quizzes & Trivia

The '2420 Back to Back Stem Plots' quiz focuses on analyzing stem plots to determine data distribution shapes. It assesses skills in identifying skewness and potential outliers, relevant for students and professionals in statistics.

2) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

3) What is the median value for the data on the left?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

4) What is the median value for the data on the left?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

5) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

6) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

7) Which side has a greater range?

Left Side

Right Side

Neither. They are the same.

Range is the highest value minus the lowest value. Did you notice the 31.5 isn't the lowest number ... it's 31.0 ... so they are both 5.5 range.

Explanation

Range is the highest value minus the lowest value. Did you notice the 31.5 isn't the lowest number ... it's 31.0 ... so they are both 5.5 range.

Submit

8) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

9) What is the median value for the data on the left?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

10) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

11) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

12) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

13) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

14) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

15) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

16) What is the shape of the data on the left?

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

17) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

18) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

19) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

20) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

21) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

22) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

23) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

24) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

25) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

26) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

27) What is the median value for the data on the right?

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Explanation

Remember, median is (n+1)/2 ... then count from the top or bottom to find the value THEN make sure you read it off the stem plot correctly (including the stem, not just the leaf). The median of a data set with an even number for 'n' may give a decimal answer.

Submit

28) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

29) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

30) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

31) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

32) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

33) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

34) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

35) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

36) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

37) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

38) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

39) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

40) Which side has a greater range?

Left Side

Right Side

Range is the highest value minus the lowest value.

Explanation

Range is the highest value minus the lowest value.

Submit

41) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

42) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

43) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

44) What is the shape of the data on the left?

Negatively Skewed

Positively Skewed

Symmetrical

Positively Skewed with a Potential Outlier

Negatively Skewed with a Potential Outlier

Symmetrical with a Potential Outlier

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Explanation

Always be careful with the stem plot on the left, that you don't just rotate it clockwise to determine it's skew. Mirror it across to the right, then rotate anti-clockwise to get the shape of the data.

Submit

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Unanswered ()
Answered ()

What is the median value for the data on the right?

What is the median value for the data on the right?

What is the median value for the data on the left?

What is the median value for the data on the left?

Which side has a greater range?

Which side has a greater range?

Which side has a greater range?

What is the median value for the data on the right?

What is the median value for the data on the left?

What is the median value for the data on the right?

What is the median value for the data on the right?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

Which side has a greater range?

Which side has a greater range?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

Which side has a greater range?

Which side has a greater range?

What is the median value for the data on the right?

What is the shape of the data on the left?

Which side has a greater range?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

Which side has a greater range?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

Which side has a greater range?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

What is the shape of the data on the left?

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