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how do you find the sample mean in statistics. Xbar - T s sqrt n where s is the standard deviation of the original data it is NOT the standard deviation of the repeated sample means the standard error of the sample mean or just the standard error SE. Statistics - Find the mean - YouTube.
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Given a sample of size n consider n independent random variables X1 X2 Xn. The sample mean is represented by x bar. This example shows you how to find the mean for a set of data.
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N 1 39 13 n 1 3 9 13 The mean mu is the sum of f M f M divided by n n which is the sum of frequencies. Here youll gain an understanding of these terms and the context in which theyre used. It is given by the formula n is the number of terms in the sample. 1705 161 160 170 1505 5 1624.
