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9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each: 35 28 29 33 32 40 26 25 29 28 30 36 33 29 27 30 28 25 a) Find the sample mean and sample standard deviation of the data. b) At a = 0.05, can you support the university's claim? (Show entire hypothesis test) .

9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each: 35 28 29 33 32 40 26 25 29 28 30 36 33 29 27 30 28 25 a) Find the sample mean and sample standard deviation of the data. b) At a = 0.05, can you support the university's claim? (Show entire hypothesis test) .

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each: 35 28 29 33 32 40 26 25 29 28 30 36 33 29 27 30 28 25 a) Find the sample mean and sample standard deviation of the data. b) At a = 0.05, can you support the university's claim? (Show entire hypothesis test)
Transcribed Image Text:9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each: 35 28 29 33 32 40 26 25 29 28 30 36 33 29 27 30 28 25 a) Find the sample mean and sample standard deviation of the data. b) At a = 0.05, can you support the university's claim? (Show entire hypothesis test)
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