The mean of 68 numbers is 18. If each number is divided by 6, find the new mean. Find the relation between the new mean and the old mean
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New mean is less than the old mean.
Step-by-step explanation:
Now, mean of 68 numbers is 18.
⇒
So, sum of 18 numbers = 68 x 18 = 1224
Now, each number is divided by 6 .
So, new sum is 1224 / 6 = 204
So, new mean = New Sum / 18
= 204 / 18 = 11.33
So, new mean is less than the old mean.
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