Find mean and standard deviation of the sample of size


The means of two samples of size 50 and 100 respectively are 54·4 & 50·3 and the standard deviations are 8 & 7. Obtain the mean and standard deviation of the sample of size 150 obtained by combining the two samples.

Solution Preview :

Prepared by a verified Expert
Mathematics: Find mean and standard deviation of the sample of size
Reference No:- TGS0698566

Now Priced at $5 (50% Discount)

Recommended (94%)

Rated (4.6/5)