Question: In the context of hypothesis test for two proportions, whichof the fol

Question

Question:
In the context of hypothesis test for two proportions, whichof the following statements about the pooled sample proportion, p(-on top of p), is/are true?
I. It estimates the common value of p1 and p2 under theassumption of equal proportions II. It is obtained by averaging the two sample proportions p1and p2. III. It is equal to the proportion of successes in bothsamples combined
A)I and III B)III only C)I and II D) I, II, and III
In the context of hypothesis test for two proportions, whichof the following statements about the pooled sample proportion, p(-on top of p), is/are true?
I. It estimates the common value of p1 and p2 under theassumption of equal proportions II. It is obtained by averaging the two sample proportions p1and p2. III. It is equal to the proportion of successes in bothsamples combined
A)I and III B)III only C)I and II D) I, II, and III In the context of hypothesis test for two proportions, whichof the following statements about the pooled sample proportion, p(-on top of p), is/are true?
I. It estimates the common value of p1 and p2 under theassumption of equal proportions II. It is obtained by averaging the two sample proportions p1and p2. III. It is equal to the proportion of successes in bothsamples combined
A)I and III B)III only C)I and II D) I, II, and III

Explanation / Answer

Answer: A)I and III

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