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.
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.
1 answer
1 answer