in 2015, average american male weight was 198 lbs. Experts want to know if this average has increased.
A) What is the population and the population parameter for which inferencing is being done?
B) Formulate the hypothesis that can be used to test this suspision that average weight has increased
C) a sample of 60 american males yielded average weight of 201.5 lbs with a STDEV of 16 lbs. What can be concluded at a 4% level of significance?
D) Would conclusion change if significance were changed to 1%? why or why not
