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For questions 15-20 consider the following information. We want to test the hy.

ID: 3258180 • Letter: F

Question

For questions 15-20 consider the following information. We want to test the hy. null pothesis Ho 0 versus the alternative hypothesis H 0. population is normally distributed and the population standard deviation is known, so the test is an exact test. Figure 1 shows the distribution of the test statistic under the null hypothesis and a truth table about the potential correct decisions and errors about this test. Each area ai 0;i 1,2, 3, 4 is delineated by the solid lines and/or oo or oo that confines it. 15. Which area on the figure gives the pvalue? a, au b, an t

Explanation / Answer

15) Answer. a...Region a1 gives the p value

16) Answer b....Alpha gives the probability

17) Answer b...both p value and alpha

18) Answer b..In a 2 tailed test..alpha is divided equally on both the ends of the curve

19) Answer a..Area under curve is equal to 1

20) Answer a..Correct decision

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