Question

Ten individuals are chosen
at random, from a normal population and their weights (in kg) are

  found to be 63, 63, 66, 67, 68, 69, 70, 70,
71 and 71. In the light of this data set, test the claim

  that the mean weight in population is 66 kg
at 5% level of significance. 

Answer 1

ur question is too complicated.

Answer 2

i couldn't understand your question,its too high for me