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In developing a confidence interval estimate for the difference between two population means when ...

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In developing a confidence interval estimate for the difference between two population means when ...

In developing a confidence interval estimate for the difference between two population means when the population variances are known, an increase in the size of the samples will result in:

▸

a wider confidence interval.

▸

a narrower confidence interval.

▸

a smallerzcritical value.

▸

the same confidence interval.

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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Thanks

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Smart ... Thanks!

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