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Steel Factory Workers Ages
Mean: 42
Median: 38
Range: 52
Mean Deviation: 11.23





Shift 1



18



25



56



42



29



38



54



47



35



30





Shift 2



23



19



50



49



67



34



30



59



40



33





Shift 3



19



22



24



40



45



29



33



29



39



59





Shift 4



21



23



25



40



35



19



70



40



22



23






The summary statistics for all of the workers at a steel factory are shown. Four sample groups were taken from each of the four shifts. For which sample group is the mean deviation closest to that of the population?














A)

Shift 1









B)

Shift 2









C)

Shift 3









D)

Shift 4
 
Guest Feb 1, 2012
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