14) Mean of 20 observations is 110, if each observation is divided by 2, what will
be the new mean?
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Answer:
mean of 20 observation=110
sum of all observation=110*20=2200
therefore if each observation is divided by 2, new total observation = 2200/2 =1100
now mean of this new total observation =new total observation/no. of observation= 1100/20 =55
Explanation:
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