For Testing the Difference Between Two Population Proportions, Under What

question 45

Multiple Choice

For testing the difference between two population proportions, under what circumstances should the pooled proportion estimate be used to compute the value of the test statistic?

• A) when the populations are normally distributed
• B) when the sample sizes are small
• C) when the samples are independently drawn from the populations
• D) when the null hypothesis states that the two population proportions are equal

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