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Texas Gateway: A Single Population Mean Using the Normal Distribution

Curated by ACT

This lesson explains how to calculate and interpret the confidence interval for a population mean. It also looks at the effect on the confidence interval of changing the confidence level or sample size. It then explains how to find the error bound and sample mean if the confidence interval is already known, and how to find the sample size when given a specific margin of error.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core