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Question

The body weight of six boys is recorded as 54kg, 64kg, 75kg, 67kg, 45kg and 91kg. What is the average body weight of all six boys?

  • 72 kg
  • 62 kg
  • 76 kg
  • 66 kg
  • None of these
Answer- D

Average weight of six boys = (sum of observations)/ number of observations

=>           (54+64+75+67+45+91)/6

=>           396/6 = 66 kg


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