QUESTION 8 In hypothesis testing the statistical conclusion is either to reject

Question

QUESTION 8 In hypothesis testing the statistical conclusion is either to reject or not to reject the null hypothesis based on the sample data. Which of the following statements is true? The conclusion is always free from error if the correct procedure is followed. The conclusion will never reject a true null hypothesis. O The conclusion will always reject a false null hypothesis. The conclusion is always subject to error because it is based on sample data. The conclusion can only be accepted if it is consistent with prevailing theory.

Explanation / Answer

Question 8

Here option D is correct as the conclusion is always subject to error(type I error and type II error) because it is based on sample data.

QUestion 9

Here absolute value of Z is greater than the critical value so we would reject the null hypothesis.

Question 10

Here Z value is less than the critical value so we would fail to reject the null hypothesis.

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