The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is:

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Question:
 The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is:

1.35.2

2.36.1

3.36.5

4.39.1

Posted Date:-2022-02-22 11:08:28

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