Question

PLEASE SHOW YOUR WORK. Obesity in adult males is associated with lower levels of sex hormone. A study investigated a possible link between obesity and plasma testosterone concentrations in adolescent males between the ages of 14 and 20 years. Plasma testosterone level is measured in nanomoles per liter of blood (nmol/l) for a sample of 25 obese adolescent males. The sample mean is 0.26 nmol/l, and the sample standard deviation is 0.11 nmol/l.

Perform hypothesis test on the claim that the mean testosterone level (μ) in obese adolescent males is greater than 0.24 nmol/l.

a)Define the Ho and Ha

b)Compute the test statistic

c)Define the reject region

d)At α=0.1, you should _______________ (reject/do not reject) Ho.

Answer 1