Applicants' Grades
The grades of a sample of 10 applicants,selected at random from a large population,are 71,86,75,63,92,70,81,59,80,and 90.
-{Applicants' Grades Narrative} Construct a 90% confidence interval estimate for the population standard deviation.

Question

Applicants' Grades 
The grades of a sample of 10 applicants,selected at random from a large population,are 71,86,75,63,92,70,81,59,80,and 90. ​ ​
-{Applicants' Grades Narrative} Construct a 90% confidence interval estimate for the population standard deviation.

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The Answer of Applicants' Grades 
The grades of a sample of 10 applicants,selected at random from a large population,are 71,86,75,63,92,70,81,59,80,and 90. ​ ​
-{Applicants' Grades Narrative} Construct a 90% confidence interval estimate for the population standard deviation.

Applicants' Grades The Grades of a Sample of 10 Applicants,selected at Random