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The average weight of a team of 20 people was calculated to be 59.8 kg and it was later discovered that one weight was misread as 68 kg instead of 77 kg. The correct average weight is :
70.25 kg
61.25 kg
60.25 kg
60.50 kg
- The initial average weight of the team was calculated as 59.8 kg.
- The sum of all members' weights for 20 people is 59.8×20=1196 kg.
- A weight was misread as 68 kg; it should have been 77 kg.
- The actual sum should be 1196−68+77=1205 kg.
- The correct average is 1205÷20=60.25 kg.
So, the correct option is:
- Option 3: 60.25 kg
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