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

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

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