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how to find the samplemean. Divide sum by the number of samples. Sample Size z2 p 1-p e2 1 z2 p 1-p e2 N N population size.
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Square the numbers you calculated in Step 2. All that formula is saying is add up all of the numbers in your data set S means add up and xi means all the numbers in the data set. Sample means closest to 3500 will be the most common with sample means far from 3500 in either direction progressively less likely.
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The sample is represented by x pronounced as an x bar. The capital Greek letter sigma 𝚺 is commonly used in mathematics to represent a summation of all the numbers in a grouping. Finding probabilities with sample means. On the other hand population mean is labelled as m Greek term mu.
