Answer Key to Math Practice Worksheet for Negative Mean Median Range

Negative Mean Median Range
Version 3		Name:________________________

Use the list of numbers to find the mean, median and range

-5 • -7 • -1 • -8 • -9

-9 + -8 +  -7  + -5 + -1 = -30
Count=5


What is the median? -7
What is the mean? -30 ÷ 5 = -6
What is the range? -1 - -9 = 8

-5 • -9 • -8 • -1 • -7

-9 + -8 +  -7  + -5 + -1 = -30
Count=5


What is the median? -7
What is the mean? -30 ÷ 5 = -6
What is the range? -1 - -9 = 8

-9 • -5 • -4

-9 +  -5  + -4 = -18
Count=3


What is the median? -5
What is the mean? -18 ÷ 3 = -6
What is the range? -4 - -9 = 5

-2 • -7 • -8 • -9 • -4

-9 + -8 +  -7  + -4 + -2 = -30
Count=5


What is the median? -7
What is the mean? -30 ÷ 5 = -6
What is the range? -2 - -9 = 7

-8 • -7 • -3

-8 +  -7  + -3 = -18
Count=3


What is the median? -7
What is the mean? -18 ÷ 3 = -6
What is the range? -3 - -8 = 5

-6 • -7 • -5

-7 +  -6  + -5 = -18
Count=3


What is the median? -6
What is the mean? -18 ÷ 3 = -6
What is the range? -5 - -7 = 2

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