mean of 10 observation is 48 if each observation in the datais increased by10% what will be the new mean
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old mean=48
sum=48*10=480
each observation is increased by 10%
so,
480+10/100*480
480+48=528
new mean=528/10=52.8
i think it is correct if not pls comment that it is not right so that i will able to correct it
sum=48*10=480
each observation is increased by 10%
so,
480+10/100*480
480+48=528
new mean=528/10=52.8
i think it is correct if not pls comment that it is not right so that i will able to correct it
akashupadhyay:
it is not corrwct because question says that 10%of 48
no no
48 is the mean and the sum is 48*10=480
here 10 is the no. of observations
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