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:  =  32.87 

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