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When tested, the lives (in hours) of 5 b...

When tested, the lives (in hours) of 5 bulbs were noted as follows : 1357, 1090, 1666, 1494, 1623. The mean deviations (in hours) from their mean is :

A

178

B

179

C

220

D

356

Text Solution

Verified by Experts

The correct Answer is:
C
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