Reading Basic Stem-and-Leaf Plots

  • 6th Grade
Reviewed by Cierra Henderson
Cierra Henderson, MBA |
K-12 Expert
Review Board Member
Cierra is an educational consultant and curriculum developer who has worked with students in K-12 for a variety of subjects including English and Math as well as test prep. She specializes in one-on-one support for students especially those with learning differences. She holds an MBA from the University of Massachusetts Amherst and a certificate in educational consulting from UC Irvine.
 , MBA
By Thames
T
Thames
Community Contributor
Quizzes Created: 8156 | Total Attempts: 9,588,805
| Attempts: 11 | Questions: 20 | Updated: Jan 21, 2026
Please wait...
Question 1 / 20
🏆 Rank #-- ▾
Score 0/100

1) What does the stem represent in this plot?

Explanation

The stem shows the tens digit of each score (e.g., '6' represents 60-69).

Submit
Please wait...
About This Quiz
Reading Basic Stem-and-leaf Plots - Quiz

Ready to decode stem-and-leaf plots? In this quiz, you'll practice reading and interpreting stem-and-leaf plots, which display data in a compact form. You’ll work with test scores, ages, and reading habits to extract important information like the most frequent values, ranges, and totals. By the end, you’ll be able to... see morequickly interpret and draw conclusions from stem-and-leaf plots with ease!
see less

2) How many students scored in the 80s?

Explanation

There are 4 leaves (80, 82, 84, 86) in the 80s.

Submit

3) What does 3|6 represent?

Explanation

The '3' in the stem represents 30, and the '6' in the leaf represents 6, so the number is 36 books.

Submit

4) What is the minimum number of books read?

Explanation

The minimum is 1, shown as 1 in the stem.

Submit

5) What is the lowest test score shown in the plot?

Explanation

The lowest score is 62, represented by the leaf '2' in the 60s.

Submit

6) What is the highest test score shown in the plot?

Explanation

The highest score is 91, shown in the 90s with the leaf '1'.

Submit

7) How many students scored exactly 88?

Explanation

There are two 88 scores in the 80s section.

Submit

8) How many total test scores are represented in this plot?

Explanation

The plot has 14 data points: 3 in the 60s, 5 in the 70s, 6 in the 80s, and 2 in the 90s.

Submit

9) Which score range has the most data points?

Explanation

The 80s range has 6 data points, more than any other range.

Submit

10) What score appears most frequently in the 70s?

Explanation

The score 73 appears twice in the 70s section.

Submit

11) What is the age of the oldest person at the party?

Explanation

The oldest age, 42, is shown in the 40s with the leaf '2'.

Submit

12) How many people are younger than 20 years old?

Explanation

The people younger than 20 are aged 7, 8, 9, 12, 14, 15, and 19.

Submit

13) What age appears twice in the data?

Explanation

Age 14 appears twice in the data (from the leaf '4' in the 10s).

Submit

14) How many people are in their 30s?

Explanation

Two people are in their 30s (ages 35 and 36).

Submit

15) What is the range of ages at the party? (Range = Maximum − Minimum)

Explanation

The range is 42 - 10 = 32.

Submit

16) Which age group has the most people?

Explanation

The 10-19 age group has 5 data points (7, 8, 9, 12, 14).

Submit

17) How many students read fewer than 20 books?

Explanation

The scores less than 20 are 10, 12, 15, 15, so 4 students read fewer than 20 books.

Submit

18) How many students are represented in this data set?

Explanation

There are 11 data points in total: 5 in the 10s, 4 in the 20s, 2 in the 30s.

Submit

19) Which number of books was read by exactly two students?

Explanation

The number 15 appears twice in the leaf section for the 10s.

Submit

20) How many students read 30 or more books?

Explanation

Three students read 30 or more books: 30, 32, and 36.

Submit
×
Saved
Thank you for your feedback!
View My Results
Cierra Henderson |MBA |
K-12 Expert
Cierra is an educational consultant and curriculum developer who has worked with students in K-12 for a variety of subjects including English and Math as well as test prep. She specializes in one-on-one support for students especially those with learning differences. She holds an MBA from the University of Massachusetts Amherst and a certificate in educational consulting from UC Irvine.
Cancel
  • All
    All (20)
  • Unanswered
    Unanswered ()
  • Answered
    Answered ()
What does the stem represent in this plot?
How many students scored in the 80s?
What does 3|6 represent?
What is the minimum number of books read?
What is the lowest test score shown in the plot?
What is the highest test score shown in the plot?
How many students scored exactly 88?
How many total test scores are represented in this plot?
Which score range has the most data points?
What score appears most frequently in the 70s?
What is the age of the oldest person at the party?
How many people are younger than 20 years old?
What age appears twice in the data?
How many people are in their 30s?
What is the range of ages at the party? (Range = Maximum − Minimum)
Which age group has the most people?
How many students read fewer than 20 books?
How many students are represented in this data set?
Which number of books was read by exactly two students?
How many students read 30 or more books?
play-Mute sad happy unanswered_answer up-hover down-hover success oval cancel Check box square blue
Alert!