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Confidence Intervals for One Mean: Sigma Not Known (t Method)
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Introduction to confidence intervals for mu based on the t distribution. These methods are appropriate when we are sampling from a normally distributed population and the population standard deviation (sigma) is not known. The cereal data used in this video is real data from a sample of 7 cereal boxes I purchased one day. The boxes had a stated weight of 750 grams. (I've changed the story slightly in the video, but it is real data.)
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confidence interval statistical inference sigma unknown t distribution confidence interval for mu confidence intervals jbstatistics jb statistics introductory statistics 8msl confidence interval 8 minute stats lectures intro stats videos intro stats help stats help stats tutor AP statistics
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