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Business, 01.11.2019 03:31 deshawnmichaelosbqs9

Two shooters, rodney and philip, practice at a shooting range. they fire 100 rounds each at separate targets. the targets are marked with circles and each bullet hitting a particular circle gets them a particular number of points. 50 rounds are selected at random. the sample mean scores of rodney and philip are 9 and 7, respectively. and, their variances are 0.25 and 0.36, respectively. the standard error of the difference between their mean scores is

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