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

Calculator Mean Median Range 1
Version 4
Name:________________________

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

31 • -58 • -48 • 15 • -70

-70 + -58 +  -48  + 15 + 31 = -130
Count=5


What is the median? -48
What is the mean? -130 ÷ 5 = -26
What is the range? 31 - -70 = 101

-51 • -96 • 45

-96 +  -51  + 45 = -102
Count=3


What is the median? -51
What is the mean? -102 ÷ 3 = -34
What is the range? 45 - -96 = 141

-58 • 41 • -85

-85 +  -58  + 41 = -102
Count=3


What is the median? -58
What is the mean? -102 ÷ 3 = -34
What is the range? 41 - -85 = 126

-97 • -69 • 16 • 55 • -65

-97 + -69 +  -65  + 16 + 55 = -160
Count=5


What is the median? -65
What is the mean? -160 ÷ 5 = -32
What is the range? 55 - -97 = 152

25 • -13 • -48

-48 +  -13  + 25 = -36
Count=3


What is the median? -13
What is the mean? -36 ÷ 3 = -12
What is the range? 25 - -48 = 73

-14 • 17 • -93

-93 +  -14  + 17 = -90
Count=3


What is the median? -14
What is the mean? -90 ÷ 3 = -30
What is the range? 17 - -93 = 110

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