A test is made of H 0: = 18 versus H 1: u 18.A sample of size

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A test is made of H0: = 18 versus H1: u 18.A sample of size n = 53

isdrawn,and x=20.The population standard deviation is = 8

(a) Compute the value of the test statistic z. (b) Is H0 rejected at the = 0.05 level? (c) Is H0 rejected at the = 0.01 level?

Critical Values for

=0.05

Critical Values for

=0.01

Left-tailed

Right-tailed

Two-tailed

and

Posted Date: Jun 23, 2024 08:03 AM

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A test is made of H 0: = 18 versus H 1: u 18.A sample of size

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