Mathematics, 21.12.2019 00:31 chl75

In the context of a hypothesis test for two proportions, which of the following statements about the pooled sample proportion, p, is/are true? i. it estimates the common value of p1 and p2 under the assumption of equal proportions. ii. it is obtained by averaging the two sample proportions p1 and p2.iii. it is equal to the proportion of successes in both samples combined.

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