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Test-score rejection region rule or p value rule

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Reference no: EM131863505

Assuming a 95% confidence level

The dean wants to know whether there is salary difference between male and female alumni. He knows that the population standard deviation for male is $8 and for female is $10. The sampled data show that the average salary for 100 male is $56 and the average salary for 121 female is $52:

(a) What are the null and alternate hypotheses?

(b) Decide on the test statistic and calculate the value of the test statistic (hint: write the equation and calculate the statistic)?

(c) What's your decision regarding the hypothesis and interpret the result using test-score rejection region rule or p value rule

Reference no: EM131863505

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