Answer:
Following are the solution to the given question:
Step-by-step explanation:
Hypotheses:

Test statistic:


Critical value:

Reject
then
The data shows their weight training course the overall difference in their percentage the fats.
Answer:
3,200
Step-by-step explanation:
15 x 15 = 225 espero que esto ayude
Answer:
25% decrease
Step-by-step explanation:
I am sure you use the first week for the first then you use the second week. Idk if I explained it good enough but I am sure it is 25% decrease