[Objective: Understand the hypothesis test of proportions from two populations] Which of the following is not a condition that must be checked before proceeding with a two-sample test? A) Both samples must be large enough so that the product of each sample size ( n₁ and n₂) and the pooled estimate, is greater than or equal to 10 . B) Each sample must be a random sample. C) The samples must be independent of each other. D) Each sample must be from populations with the same standard deviation.

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The Answer of [Objective: Understand the hypothesis test of proportions from two populations] Which of the following is not a condition that must be checked before proceeding with a two-sample test? A) Both samples must be large enough so that the product of each sample size ( n₁ and n₂) and the pooled estimate, is greater than or equal to 10 . B) Each sample must be a random sample. C) The samples must be independent of each other. D) Each sample must be from populations with the same standard deviation.

[Objective: Understand the Hypothesis Test of Proportions from Two Populations]