In Exercise 8.52, you compared the effect of stress in the form of noise on the ability
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a. Is there sufficient evidence to indicate that the average time to complete the task was longer for the experimental "rock music" group? Test at the 1% level of significance.
b. Construct a 99% one-sided upper bound for the difference (control - experimental) in average times for the two groups. Does this interval confirm your conclusions in part a?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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