Median and Interquartile Range Quiz

Match the vocabulary word with the correct definition below:

• one way to measure spread of a data set

• median

• another name for the mean of a set

• mean

• value that seems typical for a data set

• average

• one way to measure center of data set

• measure of center

• middle number when data set is in order

• mean absolute deviation (MAD)

Tags

CCSS.6.SP.A.3

Match the vocabulary word with the correct definition below:

• list of data set's min, Q1, Q2, Q3, max

• range

• a way to split data into four sections

• quartile

• difference between Q1 & Q3 (middle 50%)

• Interquartile Range (IQR)

• distance from smallest to largest values

• 5 number summary

Tags

CCSS.6.SP.B.5C

Calculate the mean of the data set shown on the dot plot.

HINT: Remember to add ALL of the data values together and then divide the total by the number of data values.

• 19

• 20

• 21

• 22

Tags

CCSS.6.SP.B.5C

What is the mean absolute deviation (MAD) of the data set represented on the dot plot?

HINT: To find the MAD, add up the distances between each data value and the mean. Then, divide by the total number of data values.​

• 1

• 1.2

• 2

• 2.5

Tags

CCSS.6.SP.B.5C

What is the median of the data set represented?

HINT: Don't forget to put the numbers in order from least to greatest before you do anything else!

• 25

• 20

• 40

• 32

Tags

CCSS.6.SP.B.5C

True or False: The spread of the data is the same for both dot plots.

• True

• False

Tags

CCSS.6.SP.A.2

What can you say about the mode of the data set?

• The mode is 22 which represents the number of watermelons that weighed the most in pounds.

• The mode is 22 which represents the most number of watermelons out of all of the different weights.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The art teacher looked at how many sheets of art paper each of her 25 students used in a semester. The first quartile is 13 sheets of paper.

Which of the following can you say about the first quartile?

• 25% of the students used less than 13 sheets?

• 25% of the students used more than 13 sheets?

Tags

CCSS.6.SP.B.5C

Which dot plot shows greater variability?

• The dot plot on the top.

• The dot plot on the bottom.

Tags

CCSS.6.SP.A.2