the mean of 15 observation is 10 if each observation of the data is increased by 5 find new mean
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Sum of observations =15*10=150
if each observations is increased by 5.
then,the sum is also increased by 5.
new sum =150+5=155
new mean =155/15=1.33
if each observations is increased by 5.
then,the sum is also increased by 5.
new sum =150+5=155
new mean =155/15=1.33
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