The mean of 200 items was found to be 80, later it was found that 61 and 45 were misread as 16 and 15. Find correct mean.
Answers
Answered by
5
Answer:16075
Explanation:X_ = Ex/N
X_= 80
N= 200
80=Ex/200
Ex= 80×200
Ex =16000
Misread value
16&15
16+15=31
Correct value
61&45
61+45=106
31-16000=15969
106+15969=16075
Correct mean=16075
Answered by
4
Answer:
this question answer is 80.375
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