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The average of 10 number is calculate as 15. It is discovered later on that while calculating the average one number , namely 36 was wrongly read as 26. The correct average is ?
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- 12.4
- 14
- 16
- 18.6
Correct Option: C
New sum of numbers = previous sum - 26 + 36
=10 x 15 - 26 + 36
= 160
∴ Correct Average = 160 / 10 = 16.
