Homework Help: statistics

Posted by Tywania on Monday, January 30, 2012 at 9:53pm.

The following data lists the average monthly snowfall for January in 15 cities around the US:

20 9 35 46 44 17 32 25 30 14 28 14 9 15 20

Find the mean, variance, and standard deviation. Please show all of your work.

statistics - MathGuru, Tuesday, January 31, 2012 at 8:52pm
For the mean, add up all the numbers and divide by 15.

Use a formula to find variance, then take the square root of the variance for the standard deviation.

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