A sample of 20 observations shows a sample mean of 290 and a sample standard deviation of 30. Provide a 90 per cent confidence interval estimate of the population variance. Select one: O a. 567 sos 1690 O b. 567 so's 1790 Fi O c. 657 sus 1890 O d. 657 sa's 1790
A sample of 20 observations shows a sample mean of 290 and a sample standard deviation of 30. Provide a 90 per cent confidence interval estimate of the population variance. Select one: O a. 567 sos 1690 O b. 567 so's 1790 Fi O c. 657 sus 1890 O d. 657 sa's 1790
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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