Mathematics, 30.09.2021 01:00 alexgold3

The weekly price fluctuation of WMB stock has a mean of $3.01 and a standard deviation of $0.31. A sample of 149 weekly price fluctuations for this stock have been measured and the mean has been calculated. Calculate the standard error of the mean (σX). Give your answer to 3 decimal places.

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The weekly price fluctuation of WMB stock has a mean of $3.01 and a standard deviation of $0.31. A s...

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