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Compute the value of the test statistic

Assignment:

The null and alternate hypotheses are: Ho: ?1 = ?2 H1: ?1 > ?2 those symbols are the Pi

A sample of 100 observations from the first population indicated that X1 is 70. A sample of 150 observations from the second population revealed X2 to be 90. Use the .05 significance level to test the hypothesis.

a. State the decision rule.

b. Compute the pooled proportion.

c. Compute the value of the test statistic.

d. What is your decision regarding the null hypothesis?

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