Answer Key to Math Practice Worksheet for Calculator Mean Median Range 2

Calculator Mean Median Range 2
Version 3
Name:________________________

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

755 • 604 • -507

-507 +  604  + 755 = 852
Count=3


What is the median? 604
What is the mean? 852 ÷ 3 = 284
What is the range? 755 - -507 = 1262

86 • 900 • -780 • -806 • 75

-806 + -780 +  75  + 86 + 900 = -525
Count=5


What is the median? 75
What is the mean? -525 ÷ 5 = -105
What is the range? 900 - -806 = 1706

638 • 840 • -251

-251 +  638  + 840 = 1227
Count=3


What is the median? 638
What is the mean? 1227 ÷ 3 = 409
What is the range? 840 - -251 = 1091

-636 • 36 • 56 • -883 • 277

-883 + -636 +  36  + 56 + 277 = -1150
Count=5


What is the median? 36
What is the mean? -1150 ÷ 5 = -230
What is the range? 277 - -883 = 1160

-866 • -66 • -484 • 448 • 73

-866 + -484 +  -66  + 73 + 448 = -895
Count=5


What is the median? -66
What is the mean? -895 ÷ 5 = -179
What is the range? 448 - -866 = 1314

-496 • 827 • 90 • -130 • -16

-496 + -130 +  -16  + 90 + 827 = 275
Count=5


What is the median? -16
What is the mean? 275 ÷ 5 = 55
What is the range? 827 - -496 = 1323

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