When comparing two independent population means where the population variances are known and n₁ and n₂ are sufficiently large,the correct test statistic to use is ____. A)Z B)t C)F D)t²

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Quizplus · Accepted Answer

When comparing two independent population means and the population variances are known, the correct test statistic to use is the Z-score. This is because the sample size is sufficiently large, which allows us to make inferences about the population means using the standard normal distribution. The t-test would be used if the population variances were unknown or if the sample size was smaller. The F-test is used for comparing variances, not means. The fourth option, tP12S1S1P0, is not a valid test statistic.

When Comparing Two Independent Population Means Where the Population Variances