Confidence Intervals for One Mean: Sigma Not Known (t Method) HD
I have an updated and revised version of this video available at http://youtu.be/bFefxSE5bmo. Please watch this new improved version. Intro 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 box data is real data from a sample of 15 boxes that I collected. The cereal data used in this video is real data from a sample of 15 cereal boxes I purchased one day. The boxes had a stated weight of 475 grams.
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