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May 4, 2015

Homework Help: Statistics

Posted by Katie on Saturday, September 17, 2011 at 10:33pm.

20. A study involves measuring the number of days absent from work for 216 employees of a large company during the preceding year. As part of the results, the researcher reports, “The number of days absent during the preceding year (M = 9.21; SD = 7.34) was . . . .” Explain what is written in parentheses to a person who has never had a course in statistics.

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