Solved

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 65

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
To investigate the effectiveness of a diet,a random sample of 16 female patients is drawn from a population of adult females using the diet.The weight of each individual in the sample is taken at the start and at the end of the diet.Assume that the population of differences in weight before and after the diet follows a normal distribution.Suppose the mean decrease in weights over all 16 subjects in the study is 4.0 pounds with the standard deviation of differences computed as 6.4 pounds.Let µ_x - µ_y= mean weight before the diet - mean weight after the diet.
-In order to test if the diet is effective,what is the appropriate statistical test?

Definitions:

Glucose

A simple sugar that is an important energy source in living organisms, also a critical component of carbohydrate metabolism.

Cori Cycle

Named for Czech-U.S. biochemist and Nobel laureate Carl F. Cori (1896–1984). Lactic acid, produced by skeletal muscle, is carried in the blood to the liver, where it is aerobically converted into glucose. The glucose may return through the blood to skeletal muscle or may be stored as glycogen in the liver.

Protein Metabolism

The process by which proteins are synthesized, broken down, and converted into other proteins or forms of energy within the body.

Ammonia

A colorless gas with a distinct, pungent smell, NH3, used in various industrial processes and also produced as a waste product in organisms.