Answer Key to Math Practice Worksheet for Mixed Sign Mean Median Range 3

Mixed Sign Mean Median Range 3
Version 4		Name:________________________

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

-9 • -12 • -85 • -8 • -1

-85 + -12 +  -9  + -8 + -1 = -115
Count=5


What is the median? -9
What is the mean? -115 ÷ 5 = -23
What is the range? -1 - -85 = 84

-10 • -73 • -7 • -6 • -9

-73 + -10 +  -9  + -7 + -6 = -105
Count=5


What is the median? -9
What is the mean? -105 ÷ 5 = -21
What is the range? -6 - -73 = 67

-3 • -5 • -28

-28 +  -5  + -3 = -36
Count=3


What is the median? -5
What is the mean? -36 ÷ 3 = -12
What is the range? -3 - -28 = 25

-4 • -68 • -1 • -53 • -9

-68 + -53 +  -9  + -4 + -1 = -135
Count=5


What is the median? -9
What is the mean? -135 ÷ 5 = -27
What is the range? -1 - -68 = 67

-58 • -1 • -4

-58 +  -4  + -1 = -63
Count=3


What is the median? -4
What is the mean? -63 ÷ 3 = -21
What is the range? -1 - -58 = 57

-5 • -35 • -7 • -10 • -3

-35 + -10 +  -7  + -5 + -3 = -60
Count=5


What is the median? -7
What is the mean? -60 ÷ 5 = -12
What is the range? -3 - -35 = 32

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