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how to find population mean formula. When the population standard deviation s is unknown the sample standard deviation is used to estimate s in the confidence interval formula. Here x represents the sample mean S tells us to add xi refers to all the X-values and n stands for the number of items in the data set.
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The arithmetic mean of random sample values drawn from the population is called sample mean. Find the number of points in the data set ie. On the other hand population mean is labelled as m Greek term mu.
When the population standard deviation s is unknown the sample standard deviation is used to estimate s in the confidence interval formula.
When you are calculating population mean you could realize that it is very similar to the average that we have learned in the case of basic mathematics. M S X N where. The population mean formula in mathematics could be given as. When the population standard deviation s is unknown the sample standard deviation is used to estimate s in the confidence interval formula.
