6th Grade Mean, Median, Spread and Box Plots Quiz: 10 Questions with Explanations

6th Grade math quiz: Mean, Median, Spread and Box Plots – Maths PDF

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This center spread quiz for 6th Grade covers mean, median, spread and box plots (Common Core 6.SP.A.3, 6.SP.B.5c, 6.SP.B.5d), with a free PDF to print.

This quiz has 10 multiple-choice questions on mean, median, spread, and box plots (Common Core 6.SP.A.3 and 6.SP.B.5). Choose one answer for each and read the explanation.

Grade 6 · Common Core State Standards: 6.SP.A.3, 6.SP.B.5c, 6.SP.B.5d

Center spread quiz: 10 questions

Question 1

What is the mean of 5, 7, 9, 11?

Question 2

What is the median of 3, 8, 5, 9, 10?

Question 3

What is the IQR in this box plot?

Box plot.

Question 4

Which measure is least affected by an outlier?

Question 5

The mean of 4 numbers is 10. Three are 8, 9, and 12. What is the fourth?

Four numbers with total 40.

Question 6

What is the range of 12, 3, 19, 8, 15?

Question 7

The MAD of a data set is 2 and the mean is 10. What does the MAD measure?

Question 8

Which is the best measure of center for 20, 22, 21, 23, 95?

Dot plot.

Question 9

In a box plot, the box shows

Question 10

Data set A has IQR 4 and data set B has IQR 10. Which statement is true?

Remember

Mean = sum divided by the number of values; median = middle value.
Range = greatest minus least; IQR = Q3 minus Q1.
MAD is the average distance of the values from the mean.
A box plot shows the minimum, Q1, median, Q3, and maximum.
Outliers pull the mean but not the median.

How to use this center spread quiz

Answer each question, read the explanation that appears, and keep track of your score. A score of 8 out of 10 or more means you are ready for the test.

Download the center spread quiz as a PDF with the button below and keep it with your notes.

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