Question

In: Statistics and Probability

Perform each task, given the following sample data. (Round your answers to one decimal place.) 7...

Perform each task, given the following sample data. (Round your answers to one decimal place.)

7 11 12 12 11 18 6

(a) Use the Sample Variance Definition to find the variance and standard deviation of the data.

variance    
standard deviation    


(b) Use the Alternative Formula for Sample Variance to find the variance and standard deviation of the data.

variance    
standard deviation    

Solutions

Expert Solution

orchestra answered 3 years ago
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