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In a two-tailed test about the population mean, where the population standard deviation is unknown, a sample of size 40 was taken. Use 5% significance. Find the critical value(s). Select one: O a. Both -2.023 and 2.023 O b. Only 1.645 O c. Only -1.645 O d. Both -1.96 and 1.96 O e. Only 1.685 O f. Only –1.685

In a two-tailed test about the population mean, where the population standard deviation is unknown, a sample of size 40 was taken. Use 5% significance. Find the critical value(s). Select one: O a. Both -2.023 and 2.023 O b. Only 1.645 O c. Only -1.645 O d. Both -1.96 and 1.96 O e. Only 1.685 O f. Only –1.685

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In a two-tailed test about the population mean, where the population standard deviation is unknown, a sample of size 40 was taken. Use 5% significance. Find the critical value(s). Select one: O a. Both -2.023 and 2.023 O b. Only 1.645 O c. Only -1.645 O d. Both -1.96 and 1.96 O e. Only 1.685 O f. Only –1.685
Transcribed Image Text:In a two-tailed test about the population mean, where the population standard deviation is unknown, a sample of size 40 was taken. Use 5% significance. Find the critical value(s). Select one: O a. Both -2.023 and 2.023 O b. Only 1.645 O c. Only -1.645 O d. Both -1.96 and 1.96 O e. Only 1.685 O f. Only –1.685
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