The mean of 82 numbers is 38 .If each number is multiplied by 4 find the new mean .

Dear student,



Therefore, the new mean is 152.

Regards

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Mean of 75 numbers = 35
If each observation is multiplied by k then the mean becomes k times the original mean.
Since each observation is multiplied by 4 then the new mean = 4 × 35 = 140.
Now u can do easily i think............
 
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New mean= 38?4=152.
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Mean of 75 numbers =35 If each observation is multiplied by k then the mean becomes k times the original mean. Since each observation is multiplied by 4 then the new mean =4*35=140
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mean of  75 no. is 35 multiply each number by k the k times original mean then multiply 4 with 35 and you get 140
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I THINK THE ANSWER IS 140.
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What are you looking for?