CBSE Class 10 Answered
Mean of 100 numbers was found to be 50. But later on, it was observed that one of the number 150 was wrongly taken as 50
Asked by samarpreetsingh076 | 01 Sep, 2020, 08:07: AM
Expert Answer
Mean = Sum of all the observations/ Total number of observations
→ Sum of all the observations = 50 × 100 = 5000
5000 - 50 + 150 = 5100
New Mean = 5100/100 = 51
Answered by Yasmeen Khan | 01 Sep, 2020, 12:46: PM
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