Normal Distribution, Confidence Interval, Hypothesis Testing - Confidence Interval for a population mean - σ known

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3 hours of video
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Summary

Keywords

margin of error excel confidence level standard normal hypothesis test significance estimation distribution table normal df statistics

Full Transcript

This video shows how to construct confidence intervals for a population mean, assuming the population standard deviation (sigma) is known. z formula used. 00:00 Intro 00:30 Margin of Error 00:57 Critical Value 01:50 Example 03:13 90% confidence interval 03:56 98% confidence interval One-sided CI: https://youtu.be/c9RVFq6v5-g

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