A Random Sample of Clients at a Weight Loss Center

question 18

Multiple Choice

A random sample of clients at a weight loss center were given a dietary supplement to see if it would promote weight loss.The center reported that the 100 clients lost an average of 48 pounds, and that a 95% confidence interval for the mean weight loss this supplement produced has a margin of error of ±7 pounds.

• A)95% of the people who use this supplement will lose between 41 and 55 pounds.
• B)The average weight loss of clients who take this supplement will be between 41 and 55 pounds.
• C)95% of the clients in the study lost between 41 and 55 pounds.
• D)We are 95% sure that the average weight loss among the clients in this study was between 41 and 55 pounds.
• E)We are 95% confident that the mean weight loss produced by the supplement in weight loss center clients is between 41 and 55 pounds.

---

Definitions:

Disease

A condition that impairs normal body functioning, often caused by pathogens, genetic factors, or environmental exposures.

Sarcopenia

The loss of skeletal muscle mass and strength as a result of aging.

Muscles Deteriorate

The process through which muscle tissue breaks down or weakens, often due to aging, disease, or lack of use.

Age-related

Pertaining to changes or developments that occur as a part of the aging process.