Z Formula For Sample Mean
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This video discusses context test for one mean, but same logic holds.
Check out the course here. This video is part of an online course, intro to inferential statistics. More examples of how to use zscores and the normal curve.
Check out the course here. An introduction to the concept of pvalue in a z test. This statistics video tutorial provides a basic introduction into sample mean and population mean.
This video is part of an online course, intro to inferential statistics. An example of a z test on the population mean mu. This is appropriate when sampling from normally distributed population, standard.
