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In Developing Confidence Interval for the Difference Between Two Population

Question 26

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In developing confidence interval for the difference between two population means using two independent samples,we use the pooled estimate In developing confidence interval for the difference between two population means using two independent samples,we use the pooled estimate in estimating the standard error of the sampling distribution of the sample mean difference if the populations are normal with equal variances. in estimating the standard error of the sampling distribution of the sample mean difference In developing confidence interval for the difference between two population means using two independent samples,we use the pooled estimate in estimating the standard error of the sampling distribution of the sample mean difference if the populations are normal with equal variances. if the populations are normal with equal variances.

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