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A hypothesis will be used to test that a population mean
Chapter 9, Problem 32E(choose chapter or problem)
A hypothesis will be used to test that a population mean equals 7 against the alternative that the population mean does not equal 7 with known variance \(\sigma\). What are the critical values for the test statistic \(Z_{0}\) for the following significance levels?
(a) 0.01 (b) 0.05 (c) 0.10
Questions & Answers
QUESTION:
A hypothesis will be used to test that a population mean equals 7 against the alternative that the population mean does not equal 7 with known variance \(\sigma\). What are the critical values for the test statistic \(Z_{0}\) for the following significance levels?
(a) 0.01 (b) 0.05 (c) 0.10
ANSWER:Step 1 of 5
Given,
The hypothesis used to test:
We have to find the critical value for the test statistic corresponding to each of the significance level: