# SOLUTION: A) The following data lists the average monthly snowfall for January in 15 cities around the US. I need to find the mean, variance, and standard deviation. 36 12 6 18 7 36 31 4 12

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: A) The following data lists the average monthly snowfall for January in 15 cities around the US. I need to find the mean, variance, and standard deviation. 36 12 6 18 7 36 31 4 12      Log On

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 Question 397419: A) The following data lists the average monthly snowfall for January in 15 cities around the US. I need to find the mean, variance, and standard deviation. 36 12 6 18 7 36 31 4 12 23 27 14 3 25 47 B)A math test has a mean of 49 and standard deviation of 6.0. I need to the the corresponding z scores for: a test score of 36 and a test score of 78. Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi A) entering data in an Excel column and using the data analysis tool mean = 20.0667 , varience = 180.2095, standard deviation = 13.4242 B) z = (36-49) /6 and z = (78-49)/ 6 ```