Excel 2019 for Engineering Statistics by Thomas J. Quirk

Author:Thomas J. Quirk
Language: eng
Format: epub
ISBN: 9783030392789
Publisher: Springer International Publishing

2.Square the standard deviation of Group 2, and divide this result by the sample size for Group 2 (n2).

3.Add the results of the above two steps to get a total score.

4.Take the square root of this total score to find the standard error of the difference of the means between the two groups,

This last step is the one that gives students the most difficulty when they are finding this standard error using their calculator, because they are in such a hurry to get to the answer that they forget to carry the square root sign down to the last step, and thus get a larger number than they should for the standard error.

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