asic asic 5 16 A study is designed to test the hypotheses Ho 26 versus Ha 26 A random sample of 50 units was selected from a specified population, and the measurements were summarized to y 25 9 and s 7 6 a With a 05, is there substantial evidence that the population mean is less than 26 b Calculate the probability of making a Type II error if the actual value of the population mean is at most 24 c If the sample size is doubled to 100, what is the probability of making a Type II error if the actual value of the population mean is at most 24 5 17 Refer to Exercise 5 16 Graph the power curve for rejecting Ho p 26 for the following values of 20, 21, 22, 23, 24, 25, and 26 a Describe the change in the power as the value of decreases from 26 b Suppose the value of n remains at 50 but a is decreased to a 01 Without recalculating the values of the power, superimpose on the graph for a 05 and n 50 the power curve for a 01 and n 50 c Suppose the value of n is decreased to 35 but a is kept at a 05 Without recal culating the values of the power, superimpose on the graph for a 05 and n 50 the power curve for a 05 and n 35

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asic asic 5 16 A study is designed to test the hypotheses Ho  26 versus Ha   26  A random sample of 50 units was selected from a specified population, and the measurements were summarized to y 25 9 and s   7 6  a  With a    05, is there substantial evidence that the population mean is less than 26  b  Calculate the probability of making a Type II error if the actual value of the population mean is at most 24  c  If the sample size is doubled to 100, what is the probability of making a Type II error if the actual value of the population mean is at most 24  5 17 Refer to Exercise 5 16  Graph the power curve for rejecting Ho  p   26 for the following values of   20, 21, 22, 23, 24, 25, and 26  a  Describe the change in the power as the value of decreases from   26  b  Suppose the value of n remains at 50 but a is decreased to a    01  Without recalculating the values of the power, superimpose on the graph for a    05 and n   50 the power curve for a    01 and n   50  c  Suppose the value of n is decreased to 35 but a is kept at a    05  Without recal  culating the values of the power, superimpose on the graph for a    05 and n     50 the power curve for a    05 and n   35

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Question: asic asic 5.16 A study is designed to test the hypotheses Ho: 26 versus Ha: <26. A random sample of 50 units was selected

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