EARTH WIND amp FIRE Its ALL about LOVE Video

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Statistics 101: Estimating Sample Size Requirements. • When constructing confidence intervals we usually choose the sample size, and alpha level, and are given/assume a population standard deviation. In this video, we learn what sample size would be required if we want a level of confidence given a margin of error of our choosing. So we rearrange the terms that comprise the margin of error to achieve this. This video contains 4 brief example problems so you can see applications and the relationships between all of the parts of the margin of error. Enjoy! • My playlist table of contents, Video Companion Guide PDF documents, and file downloads can be found on my website: https://www.bcfoltz.com

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