document.write( "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.
\n" ); document.write( "36 12 6 18 7 36 31 4 12 23 27 14 3 25 47 \r
\n" ); document.write( "\n" ); document.write( "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.\r
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Algebra.Com's Answer #281663 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi
\n" ); document.write( "A) entering data in an Excel column and using the data analysis tool
\n" ); document.write( " mean = 20.0667 , varience = 180.2095, standard deviation = 13.4242
\n" ); document.write( "B) z = (36-49) /6 and z = (78-49)/ 6 \n" ); document.write( "
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