Chapter 8
MATH  200
Form A
1.
Given a data set of 106 healthy body temperatures, where the mean was 98.2 degrees and
standard deviation s=0.62 degrees. At the .05 significance level, test the claim that the mean
body temperature of all healthy adults is equal to 98.6 degrees.
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Conclusion:_____________________________
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2. Company wants to test the claim that the employees with a mean of 65 are not happy with their
managers. A sample of 15 employees was selected and produced a mean of 63 and standard
deviation of 2. At the .05 level of significance, test the claim that the mean of unhappy
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 Spring '10
 Kazaryan
 Statistics, Standard Deviation, significance level, mean body temperature, healthy body temperatures

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