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In testing of hypothesis, ‘best critical region maximizes the power of the test’ this statement is false

Question

In testing of hypothesis, ‘best critical region maximizes the power of the test’ this statement is false

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Solution

The statement "In testing of hypothesis, ‘best critical region maximizes the power of the test’" is actually true, not false.

Here's why:

  1. The critical region of a hypothesis test is the set of all outcomes which cause you to reject the null hypothesis.

  2. The power of a statistical test is the probability that it correctly rejects the null hypothesis when the alternative hypothesis is true.

  3. The best critical region is the one that maximizes the power of the test. This is because the more powerful a test is, the better it is at avoiding Type II errors (failing to reject the null hypothesis when the alternative hypothesis is true).

  4. Therefore, by choosing the critical region that maximizes the power of the test, you are increasing the test's ability to correctly reject the null hypothesis when the alternative hypothesis is true.

So, the statement is true because the best critical region does indeed maximize the power of the test.

This problem has been solved

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