11.11 Hostility, continued Refer to Exercise 11.10. Let A and B, respectively, denote the mean scores at
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11.11 Hostility, continued Refer to Exercise 11.10. Let A and B, respectively, denote the mean scores at the end of the semester for the populations of extremely hostile students who were treated throughout that semester by method A and method B.
a. Find a 95% confidence interval for A-
b. Find a 95% confidence interval for B.
c. Find a 95% confidence interval for (A - MB)-
d. Is it correct to claim that the confidence intervals found in parts
a, b, and c are jointly valid?
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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