Which of the Following Statements Are Not True If a Test

question 31

Multiple Choice

Which of the following statements are not true if a test procedure about the difference between two population means $\mu _ { 1 } - \mu _ { 2 }$ is performed when both population distributions are normal and that the values of both population variances $\sigma _ { 1 } \text { and } \sigma _ { 2 }$ are known?

• A) The rejection region for level \(\alpha \text { test is } z \geq z _ { \alpha }\)
• If the test is an upper-tailed test.
• B) The rejection region for level \(\alpha \text { test is } z \leq z _ { \alpha }\)
• If the test is a lower-tailed test.
• C) The rejection region for level \(\alpha \text { test is either } z \geq z _ { \alpha / 2 } \text { or } z \leq - z _ { \alpha / 2 }\)
• If the test is a two-tailed test.
• D) All of the above statements are true.
• E) None of the above statements are true.

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International Financial Reporting Standards, a set of international accounting standards stating how particular types of transactions and other events should be reported in financial statements.

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