SOLUTION: The following data lists the average monthly snowfall for January in 15 cities around the US:
40 44 43 15 22 29 38 22
14 13 28 29 47 31
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Question 709390: The following data lists the average monthly snowfall for January in 15 cities around the US:
40 44 43 15 22 29 38 22
14 13 28 29 47 31 18
Find the mean, variance, and standard deviation.
Answer by vheroli(126) (Show Source): You can put this solution on YOUR website!
Solution for Mean:
Add all the numbers and then divide by 15
40 44 43 15 22 29 38 22
14 13 28 29 47 31 18
Mean= 28.87
Solution for standard deviation:
Use the formula for standard deviation
=
Standard Deviation=11.10
Solution for Variance:
Simply: (Standard Dev)^2
Variance= (11.10)^2 = 123.18
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