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Center and Spread Worksheet

Explore concepts of center (mean, median, mode) and spread (range, interquartile range) with this Grade 7 Math worksheet.

Grade 7 Math Probability and StatisticsCenter and Spread
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Includes

Multiple ChoiceFill in the BlanksShort AnswerCustomTrue / False

Standards

CCSS.MATH.CONTENT.7.SP.B.3CCSS.MATH.CONTENT.7.SP.B.4

Topics

mathgrade 7statisticscenterspreadmeanmedianmoderangeinterquartile range
7 sections · Free to use · Printable
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Center and Spread

Name:

Date:

Score:

Read each question carefully and provide the best answer. Show your work where applicable.

1. Which measure of center is most affected by outliers?

a

Median

b

Mean

c

Mode

d

Range

2. What is the range of the data set: 12, 5, 18, 9, 21?

a

10

b

13

c

16

d

18

1. The   is the middle value in an ordered data set.

2. The   is the value that appears most often in a data set.

3. The difference between the maximum and minimum values in a data set is called the  .

1. Calculate the mean, median, and mode for the following data set: 8, 10, 12, 12, 18.

2. Explain why the median is sometimes a better measure of center than the mean.

Use the bar graph below to answer the following questions.

Student Test Scores02040608010080Student A60Student B100Student C50Student D90Student E

1. What is the mean test score for the students?

2. What is the median test score?

3. What is the range of the test scores?

1. The interquartile range is a measure of center.

T

True

F

False

2. A small range indicates that the data points are spread out widely.

T

True

F

False