Outline of Chapter 7 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)

Title: Outline of Chapter 7 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)
Category: /Science & Technology/Mathematics
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Outline of Chapter 7 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)
Chapter 7 Outline Objectives Find the confidence interval for the mean when s is known or n > 30. Determine the minimum sample size for finding a confidence interval for the mean. Find the confidence interval for the mean when s is unknown and n < 30. Objectives (cont'd.) Find the confidence interval for a proportion. Determine the minimum sample size for finding a confidence interval for a proportion. Find a confidence interval for a variance …showed first 75 words of 837 total…
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…showed last 75 words of 837 total…is that the accuracy of the estimate cannot be determined, so the interval estimate is preferred. Summary (cont'd.) The following information is needed to determine the minimum sample size necessary to make an estimate of the mean: The degree of confidence must be stated. The population standard deviation must be known or be able to be estimated. The maximum error of the estimate must be stated. Conclusions Estimation is an important aspect of inferential statistics.

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