eelias1541 eelias1541
  • 22-04-2024
  • Mathematics
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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) 74
b) 98
c) 112
d) 86

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