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A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores (high numbers indicate greater ability) are given in the following table. Using the .05 level, do the results support the researcher's theory? (a) Use the steps of hypothesis testing, (b) sketch the distributions involved.
Big Meal Group
Subject HearingA 22B 25c 25
Small Meal Group
Subject HearingD 19E 23F 21
For a one tailed hypothesis test (upper tail), the p-value is computed to be 0.034. If the test is being conducted at a 95% confidence, the null hypothesis.
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Taking α to be 0.05, what is/are the critical values associated with testing your hypothesis?
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Suppose that nine additional firms will be added to the bankruptcy rolls during the next quarter. How many of those failures are likely to be attribute to fraud?
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