Question

How many values are more than 2 standard deviations form the mean in the following data...

How many values are more than 2 standard deviations form the mean in the following data set:

10, 13, 15, 15, 18, 23, 29, 33, 35, 35, 35, 38,39, 45

Math   Statistics-And-Probability   
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Answer #1

About 95% of values are fall within 2 standard deviations of the mean

Find mean and standard deviation for the data set

Formula Ref:

Emperical rule:

2 standard deviations are calculated in 95% category

In excel:

Formula Ref:

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