In: Statistics and Probability
Find the 90% confidence interval for the standard deviation of the lengths of pipes if a sample of 22 pipes has a standard deviation of 10.6 inches.
a. (8.3, 13.8)
b. (8.5, 13.3)
c. (8.5, 14.3 )
d. (8.1, 15.3)
The answer is:
Calculations
Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!