10-3. Consider the hypothesis test Ho:H = H2 against H:H, > µ2 with known variances o = 10 and o2 = 5. Suppose that sample sizes n, = 10 and n2 = 15 and that x 24.5 and X = 21.3. Use a = 0.01. (a) Test the hypothesis and find the P-value. (b) Explain how the test could be conducted with a confidence %3D %3D %3D %3D %3D %3D interval. c) What is the power of the test in part (a) if u, is 2 units greater than u2? d) Assume that sample sizes are equal. What sample size should be used to obtain B= 0.05 if u, is 2 units greater than u,? Assume that a = %3D =0.05.
10-3. Consider the hypothesis test Ho:H = H2 against H:H, > µ2 with known variances o = 10 and o2 = 5. Suppose that sample sizes n, = 10 and n2 = 15 and that x 24.5 and X = 21.3. Use a = 0.01. (a) Test the hypothesis and find the P-value. (b) Explain how the test could be conducted with a confidence %3D %3D %3D %3D %3D %3D interval. c) What is the power of the test in part (a) if u, is 2 units greater than u2? d) Assume that sample sizes are equal. What sample size should be used to obtain B= 0.05 if u, is 2 units greater than u,? Assume that a = %3D =0.05.
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
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Why should we use a lower confidence bound for Question 10-3 part (b)?
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