We are also interested in estimating the population standard deviation () for all FHSU students GPA's We will assume that GPA's are at least approximately normally distributed Below are the GPA's 2 75 2 65 3 95 1 74 2 71 3 10 2 53 1 57 2 24 3 67 4 00 3 21 1 95 3 75 1 45 3 09 2 29 2 66 3 97 2 50 2 55 3 54 2 07 0 61 2 79 3 55 3 92 3 47 2 14 1 28 Below Out to the right, construct a 95 confidence interval estimate of sigma (), the population standard deviation

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Question: We are also interested in estimating the population standard deviation () for all FHSU students GPA's. We will assume that GPA's are at least approximately

We are also interested in estimating the population standard deviation () for all FHSU students GPA's. We will assume that GPA's are at least approximately normally distributed. Below are the GPA's.

2.75	2.65	3.95	1.74	2.71	3.10	2.53	1.57	2.24	3.67
4.00	3.21	1.95	3.75	1.45	3.09	2.29	2.66	3.97	2.50
2.55	3.54	2.07	0.61	2.79	3.55	3.92	3.47	2.14	1.28

Below/Out to the right, construct a 95% confidence interval estimate of sigma (), the population standard deviation.

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