Answer Key to Math Practice Worksheet for Mixed Sign Mean Median Range 2

Mixed Sign Mean Median Range 2
Version 4		Name:________________________

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

-9 • -16 • -5

-16 +  -9  + -5 = -30
Count=3


What is the median? -9
What is the mean? -30 ÷ 3 = -10
What is the range? -5 - -16 = 11

-4 • -8 • -11 • -16 • -1

-16 + -11 +  -8  + -4 + -1 = -40
Count=5


What is the median? -8
What is the mean? -40 ÷ 5 = -8
What is the range? -1 - -16 = 15

-15 • -7 • -8

-15 +  -8  + -7 = -30
Count=3


What is the median? -8
What is the mean? -30 ÷ 3 = -10
What is the range? -7 - -15 = 8

-4 • -2 • -15

-15 +  -4  + -2 = -21
Count=3


What is the median? -4
What is the mean? -21 ÷ 3 = -7
What is the range? -2 - -15 = 13

-5 • -12 • -1 • -4 • -18

-18 + -12 +  -5  + -4 + -1 = -40
Count=5


What is the median? -5
What is the mean? -40 ÷ 5 = -8
What is the range? -1 - -18 = 17

-5 • -11 • -7 • -13 • -4

-13 + -11 +  -7  + -5 + -4 = -40
Count=5


What is the median? -7
What is the mean? -40 ÷ 5 = -8
What is the range? -4 - -13 = 9

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