The average of 100 observations in a study was calculated as 49.7 . Later it was revealed that one of the observations was misread as 64 instead of 94. What will be the correct average ?
Created: 6 years ago |
Updated: 2 years ago
best des
The erroneous total of the obsevations = 49.7 x 100 = 4970
The correct total of the observations = 4970 - 64 + 94 = 5000
So, the correct average = 5000/100 = 50.
Md Azizur Rahman
Founder of Satt
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