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Back to 7.2 Using the Central Limit Theorem

7.2 Exercise 35

Avg difficulty 2.5

A researcher is looking at data from a large population with a standard deviation that is much too large. In order to concentrate the information, the researcher decides to repeatedly sample the data and use the distribution of the means of the samples? The first effort used sample sized of 100. But the standard deviation was about double the value the researcher wanted. What is the smallest size samples the researcher can use to remedy the problem?

OpenStax Introductory Business Statistics 2e, 7.2 Using the Central Limit Theorem, exercise 35

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Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.