Chap09 corrected slide 36

Chap09 corrected slide 36 - Testing a Proportion Steps in...

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Unformatted text preview: Testing a Proportion Steps in Testing a Proportion Steps • • Step 3: Calculate the test statistic π (1-π 0) p – π0 Where σ p = 0 Where z= n σp • 9-36 Now, check the normality assumption: Now, nπ 0 > 10 and n(1-π 0) > 10. Step 4: Make the decision If the test statistic falls in the rejection If region as defined by the critical value, we reject H0 and conclude H1. ...
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