Question

7. Mean of 10 observations was found to be 51. Later on, it was found that the observation 62 was
misread as 72. Find the correct mean.​

Answer 1

Answer:

50

Step-by-step explanation:

Let sum of observation=X

X/10=51

X=510

so acc to question

X=510-72+62=500

NEW MEAN=500/10=50

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