Answer Key to Math Practice Worksheet for Mixed Sign Mean Median Range 2

Mixed Sign Mean Median Range 2
Version 2		Name:________________________

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

-8 • -19 • -9

-19 +  -9  + -8 = -36
Count=3


What is the median? -9
What is the mean? -36 ÷ 3 = -12
What is the range? -8 - -19 = 11

-6 • -18 • -8 • -19 • -4

-19 + -18 +  -8  + -6 + -4 = -55
Count=5


What is the median? -8
What is the mean? -55 ÷ 5 = -11
What is the range? -4 - -19 = 15

-19 • -17 • -5 • -2 • -7

-19 + -17 +  -7  + -5 + -2 = -50
Count=5


What is the median? -7
What is the mean? -50 ÷ 5 = -10
What is the range? -2 - -19 = 17

-5 • -11 • -8

-11 +  -8  + -5 = -24
Count=3


What is the median? -8
What is the mean? -24 ÷ 3 = -8
What is the range? -5 - -11 = 6

-5 • -1 • -15

-15 +  -5  + -1 = -21
Count=3


What is the median? -5
What is the mean? -21 ÷ 3 = -7
What is the range? -1 - -15 = 14

-9 • -2 • -18 • -13 • -3

-18 + -13 +  -9  + -3 + -2 = -45
Count=5


What is the median? -9
What is the mean? -45 ÷ 5 = -9
What is the range? -2 - -18 = 16

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