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A sample of 38 observations is selected from one population with a population standard deviation of 3.0. The sample mean is 100.5. A sample of 50 observations is selected from a second population with a population standard deviation of 5.2. The sample mean is 98.8. Conduct the following test of hypothesis using the 0.02 significance level.
b. State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)
c. Compute the value of the test statistic. (Round your answer to 2 decimal places.)
e. What is the p-value? (Round your answer to 4 decimal places.)
Sagot :
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