Common Core 6.SP.B.5.C worksheet

Question 1

The mean of 12, 8, 7, 17 is 11. Find the mean absolute deviation.

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Question 2

Find the interquartile range (IQR) of: 60, 37, 15, 48, 23, 22, 51, 31, 21

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Question 3

The bar chart shows how many minutes a class read each day. What is the mean number of minutes per day?

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Question 4

Find the mean of 9, 8, 10.

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Question 5

What is the mode of: 28, 14, 14, 5, 14, 15, 17, 4?

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Question 6

Chloe's scores: 11, 12, 13, 12. Fatima's scores: 8, 16, 12, 12. Both have mean 12. Whose scores are more consistent (smaller MAD)?

• A. Chloe
• B. Fatima

Question 7

Kai has taken 6 tests. The scores of the first 5 are 87, 71, 77, 78, 87. The mean of all 6 is 81. What did Kai score on the last test?

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Question 8

The mean of 4 numbers is 13. 3 of the numbers are 23, 3, 13. What is the missing number?

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Question 9

Find the lower quartile (Q1) of: 9, 19, 34, 47, 47, 44, 11

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Question 10

Find the median of: 6, 8, 17, 22, 4, 13, 12, 19

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Question 11

Four runners' 100 m times in seconds: 14.8, 15.3, 13, 12.2. Find the mean time.

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Question 12

Tariq has a mean score of 20 points after 5 games. How many points does Tariq need in the next game to raise the mean to 21?

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Question 13

Find the mean of: 3, 7, 8, 10, 7

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Question 14

Find the median: 29, 7, 25, 37, 3, 10, 26, 15

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Question 15

A box plot of reaction times (hundredths of a second) shows: minimum 13, Q1 18, median 24, Q3 33, maximum 40. What is the interquartile range?

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Question 16

The range of Omar's quiz scores is 20. The highest score is 31. What is the lowest score?

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