(a) Use the data given to test the following hypotheses. H 0 : = 18; H...

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(a) Use the data given to test the following hypotheses.
H0: μ = 18; Ha: μ ≠ 18
x̅ = 16.7; n = 31; σ = 4.2; α = 0.05

(b) Use the p-value to reach a statistical conclusion.

(c) Using the critical value method, what are the critical sample mean values?

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Business Analytics And Statistics

ISBN: 9780730363330

1st Edition

Authors: Ken Black, John Asafu Adjaye, Paul Burke, Nelson Perera, Carl Sherwood, Saleh A. Wasimi

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