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

Mixed Sign Mean Median Range 3
Version 2		Name:________________________

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

-7 • -8 • -90

-90 +  -8  + -7 = -105
Count=3


What is the median? -8
What is the mean? -105 ÷ 3 = -35
What is the range? -7 - -90 = 83

-1 • -8 • -92 • -74 • -5

-92 + -74 +  -8  + -5 + -1 = -180
Count=5


What is the median? -8
What is the mean? -180 ÷ 5 = -36
What is the range? -1 - -92 = 91

-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

-2 • -9 • -94

-94 +  -9  + -2 = -105
Count=3


What is the median? -9
What is the mean? -105 ÷ 3 = -35
What is the range? -2 - -94 = 92

-5 • -28 • -3

-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

-98 • -8 • -80 • -5 • -9

-98 + -80 +  -9  + -8 + -5 = -200
Count=5


What is the median? -9
What is the mean? -200 ÷ 5 = -40
What is the range? -5 - -98 = 93

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