SOLUTION: 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

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: 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       Log On


   

Question 703220: 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
can some one help me
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
mean = (sum)/(number of elements) = 23.866

variance = (sum of squares of each element's distance from the mean) = 138.12

standard deviation = sqrt(variance) = 11.752