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OpenStudy (anonymous):
If each score in a set of data scores were increased by 8 points, how would this affect the mean and the standard deviation?
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OpenStudy (amistre64):
im gonna predict it moves the mean by 8 as well 2+3+3+7+10 = = 25/5 = 5 10+11+11+15+18 = 65/5 = 13 = 5+8
OpenStudy (amistre64):
the standard deviation measures the spread of the data; and the spread remains the same .... its just moved to the right by eight
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