Mean of 12 observations was found to be 28. Later on , it was detected than an observations 62 was misread as 26, then the correct mean of the observation will be
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Step-by-step explanation:
mean=28
no of observation=12
sum of observation=28×12=336
62 measured as 26
62-26=36
corrected sum of observation=336+36=372
mean=372/12=31
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Answer:
Mean=31
Step-by-step explanation:
sorry no time so only answer is given
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