Question 617048
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Hi, 
Find the range, standard deviation, and variance for the following sample data:
89, 6, 96, 43, 11, 30, 30, 77, 34, 67, 60, 5, 91, 26, 93, 22 

Entering Date is Excel spreasheet column and Using the Data Analysis Tool...
mean: 780/16 = 48.75
variance:  1080.467
standard deviation: {{{sqrt(1080.467)}}} =  32.87