ECONOMICS Study Guide - final Guide: Educational Technology, Microsoft Excel, Regression Analysis
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A sample of 42 observations is selected from one population with a population standard deviation of 3.1. The sample mean is 101.0. A sample of 52 observations is selected from a second population with a population standard deviation of 4.0. The sample mean is 99.8. Conduct the following test of hypothesis using the 0.04 significance level. |
H0 : ?1 = ?2 |
H1 : ?1 ? ?2 |
(b) | State the decision rule. (Negative amounts should be indicated by a minus sign. Round your answer to 2 decimal places.) |
The decision rule is to reject H0 if z is outside the interval (, ). |
(c) | Compute the value of the test statistic. (Round your answer to 2 decimal places.) |
Value of the test statistic |
(e) | What is the p-value? (Round your answer to 4 decimal places.) |
p-value |