The following weighs were obtained from a randomly selected sample of 20 yrs old, 6ft-1inch males from Minnesota. This sample of 25 males had a mean weight of 177lb. Based on the sample, are the Minnesota males heavier than males in general? The mean weight of all US males is 170lbs and the population standard deviation is 16. Assume a normal distribution, level of significance = 0.05.

Question

anonymous · Answer

heavier than means is greater 
it means ur alternative will be greater than 170lbs

anonymous · Answer

Can you make the conclusion? I am also thinking that the alternative is not equal to 170 lbs..

anonymous · Answer

|dw:1348927026985:dw|