Answer Key to Math Practice Worksheet for Calculator Mean Median Range 1

Calculator Mean Median Range 1
Version 2
Name:________________________

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

-17 • -82 • 79 • 86 • -86

-86 + -82 +  -17  + 79 + 86 = -20
Count=5


What is the median? -17
What is the mean? -20 ÷ 5 = -4
What is the range? 86 - -86 = 172

-47 • 24 • -85 • 30 • -77

-85 + -77 +  -47  + 24 + 30 = -155
Count=5


What is the median? -47
What is the mean? -155 ÷ 5 = -31
What is the range? 30 - -85 = 115

-68 • -24 • 80

-68 +  -24  + 80 = -12
Count=3


What is the median? -24
What is the mean? -12 ÷ 3 = -4
What is the range? 80 - -68 = 148

-32 • 97 • -65

-65 +  -32  + 97 = 0
Count=3


What is the median? -32
What is the mean? 0 ÷ 3 = 0
What is the range? 97 - -65 = 162

-61 • 42 • -11

-61 +  -11  + 42 = -30
Count=3


What is the median? -11
What is the mean? -30 ÷ 3 = -10
What is the range? 42 - -61 = 103

-20 • -17 • 61

-20 +  -17  + 61 = 24
Count=3


What is the median? -17
What is the mean? 24 ÷ 3 = 8
What is the range? 61 - -20 = 81

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