the mean of 9 observation is 45 if 24 is printed wrongly as 42 then the correct mean is
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43 is the correct mean. please brainliest
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Mean of 9 observation=45
This means X1+X2+......+X9=(45*9)
= 405
Now 24 is printed wrongly as 42 this means (405-42+24)
=387
so new mean =387/9
i.e 43.
Thank you
This means X1+X2+......+X9=(45*9)
= 405
Now 24 is printed wrongly as 42 this means (405-42+24)
=387
so new mean =387/9
i.e 43.
Thank you
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