6th Grade Statistics Quiz! Exam

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| By Ms_JG
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6th Grade Statistics Quiz! Exam - Quiz

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Questions and Answers
  • 1. 

    What is an Outlier?

    • A.

      A synonym

    • B.

      A translation

    • C.

      Something like a factor

    • D.

      Something that does not belong.

    Correct Answer
    D. Something that does not belong.
    Explanation
    The correct answer is "Something that does not belong." An outlier refers to a data point that is significantly different from other data points in a dataset. It is an observation that falls outside the expected range and does not conform to the pattern or behavior of the rest of the data. Outliers can be caused by various factors such as measurement errors, data entry mistakes, or genuine rare events. Identifying and analyzing outliers is important in statistics and data analysis as they can greatly impact the results and conclusions drawn from the data.

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  • 2. 

    Jim Shorts is a star basketball player for the Arlington High School basketball team. The number of points scored by Jim in each of his last 20 games is as follows:    35, 28, 25, 34, 41, 26, 19, 23, 32, 20, 11, 8, 38, 48, 22, 25, 16, 19, 22, 40  What is the MEAN of this data?   

    Correct Answer
    26.6
    Explanation
    The mean of a set of data is calculated by summing all the values and then dividing by the total number of values. In this case, the sum of all the points scored by Jim in his last 20 games is 532. Dividing this sum by 20 (the total number of games) gives us a mean of 26.6.

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  • 3. 

    Jim Shorts is a star basketball player for the Arlington High School basketball team.  The number of points scored by Jim in each of his last 20 games is as follows:    35, 28, 25, 34, 41, 26, 19, 23, 32, 20, 11, 8, 38, 48, 22, 25, 16, 19, 22, 40  A  college scout wants to know how many points Jim averages a game what is that answer?

    Correct Answer
    26.6
    Explanation
    The average number of points Jim scores per game can be calculated by summing up the total number of points he scored in his last 20 games (520) and dividing it by the number of games (20). This gives an average of 26 points per game. Therefore, the answer is 26.6.

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  • 4. 

    True or False The stem from this data set : 45, 34, 42,65, 74, 63,77, 88 Are 4, 5, 6, 7, 8

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    3,4,5,6,7,8

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  • 5. 

    5a + 42  =_____  a= 7

    Correct Answer
    77
    Explanation
    When we substitute the value of a=7 into the equation 5a + 42, we get 5(7) + 42 = 35 + 42 = 77. Therefore, the correct answer is 77.

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  • 6. 

    The smallest number in the data set is called the?

    • A.

      Maximum

    • B.

      Interquartile Range

    • C.

      Minimum

    • D.

      Mode

    Correct Answer
    C. Minimum
    Explanation
    The smallest number in a data set is called the minimum. It represents the lowest value among all the numbers in the set.

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  • 7. 

    What is the Range? 16, 22, 14, 12, 20, 19, 14, 11

    Correct Answer
    11
    Explanation
    The range is the difference between the highest and lowest values in a set of numbers. In this case, the lowest value is 11 and there is no higher value given, so the range is 11.

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  • 8. 

    Evaluate the expression: PEMDAS! 24÷6x2

    Correct Answer
    2
    Explanation
    The given expression involves the concept of order of operations, which is represented by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right). According to this rule, we first evaluate any multiplication or division from left to right before moving on to addition or subtraction. In this case, we divide 24 by 6 to get 4, and then multiply it by 2 to get the final answer of 8. Therefore, the given answer of 2 is incorrect.

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  • 9. 

    • A.

      6-12 flower bouquets - Yes

    • B.

      48-54 flower bouquets - Yes

    • C.

      36-42 flower bouquets - Yes

    • D.

      18-24 flower bouquets - Yes

    Correct Answer
    C. 36-42 flower bouquets - Yes
    Explanation
    The answer is 36-42 flower bouquets because it falls within the range of the other given options (6-12, 48-54, and 18-24) that are also marked as "Yes." This suggests that all of these ranges are considered acceptable or appropriate.

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  • 10. 

    Correct Answer
    Some drivers live close to work
    Some drivers do not drive far to work
    Most drivers drive 0-5 miles to work
    Explanation
    The given answer suggests that there are three statements about drivers and their commute to work. The first statement states that some drivers live close to work, indicating that a portion of the drivers have a short distance to travel. The second statement implies that there are drivers who do not drive far to work, further emphasizing that not all drivers have long commutes. The third statement specifies that most drivers drive 0-5 miles to work, reinforcing the idea that the majority of drivers have a relatively short distance to travel.

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  • 11. 

    Correct Answer
    17
  • 12. 

    Correct Answer
    0-10
  • 13. 

    About what percent of the students at Wheatland get at least 8 hours of sleep per night? 

    Correct Answer
    30
    Explanation
    The answer 30 suggests that approximately 30% of the students at Wheatland get at least 8 hours of sleep per night. This implies that a significant portion of the student population at Wheatland prioritize and manage their sleep schedule effectively.

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  • 14. 

    About what percent of the students at Urbandale get at least 8 hours of sleep per night? 

    Correct Answer
    18
    19
    Explanation
    The given answer suggests that the percentage of students at Urbandale who get at least 8 hours of sleep per night is either 18% or 19%. However, without further information or data, it is not possible to determine the exact percentage.

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  • 15. 

    The Intervals are always located on the ___ axis.

    Correct Answer
    x
    Explanation
    The intervals are always located on the x-axis. This is because the x-axis represents the horizontal axis in a Cartesian coordinate system, where the x-coordinate determines the position of a point or interval along the horizontal axis. Therefore, when referring to intervals, it is understood that they are positioned on the x-axis.

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  • 16. 

    The Frequency is always on the ___ axis.

    Correct Answer
    y
    Y
    Explanation
    The frequency is always on the y-axis. In a graph, the y-axis represents the dependent variable or the variable being measured or observed. Therefore, the frequency, which is a measure of how often something occurs, is plotted on the y-axis. The x-axis, on the other hand, represents the independent variable or the variable that is manipulated or controlled.

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  • 17. 

    Each dot on a dot plot refers to how often a number_____ in a data set.

    Correct Answer
    appears
    repeats
    Explanation
    Each dot on a dot plot represents the frequency or occurrence of a number in a data set. Therefore, the dots on a dot plot indicate how often a number appears or repeats in the data set.

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  • 18. 

    If a data Upper Quartile is 7.8 and Lower Quartile is 3.4 what it is the Interquartile Range?

    Correct Answer
    5.2
    Explanation
    The interquartile range is the difference between the upper quartile and the lower quartile. In this case, the upper quartile is 7.8 and the lower quartile is 3.4. Therefore, the interquartile range is 7.8 - 3.4 = 4.4.

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  • 19. 

    What is the Range of this Data Set? 23, 45, 45, 45, 54, 67, 98, 11, 112, 998

    Correct Answer
    987
    Explanation
    The range of a data set is the difference between the maximum and minimum values in the set. In this case, the maximum value is 998 and the minimum value is 11. Therefore, the range is 998 - 11 = 987.

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  • 20. 

    Most Math Videos show is from what website?

    Correct Answer
    Virtual Nerd
    VirtualNerd.com
    VirtualNerd
    www.virtualnerd.com
    Explanation
    The correct answer is Virtual Nerd, VirtualNerd.com, VirtualNerd, www.virtualnerd.com. These are all different ways of referring to the same website, which is the source of most Math Videos.

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  • 21. 

    • A.

      D

    • B.

      C

    • C.

      B

    • D.

      A

    Correct Answer
    C. B

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 29, 2014
    Quiz Created by
    Ms_JG
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