The mean 9 scores is calculated as 45 while considering 42 instead of score 24. Then actual mean of 9 score is
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here n=9
mean=x'=45
x'=€Xi/n=€Xi/9
x'×9=€Xi
405=€Xi
hence incorrect value=405
Now, correct €Xi=incorrect value of€Xi-correct score + incorrect score
correct value of €Xi=339
hence correct mean=339/9=37.74
mean=x'=45
x'=€Xi/n=€Xi/9
x'×9=€Xi
405=€Xi
hence incorrect value=405
Now, correct €Xi=incorrect value of€Xi-correct score + incorrect score
correct value of €Xi=339
hence correct mean=339/9=37.74
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same question pls answer for me also
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