A Study Was Recently Conducted to Estimate the Mean Cholesterol

question 173

Multiple Choice

A study was recently conducted to estimate the mean cholesterol for adult males over the age of 55 years. From a random sample of n = 10 men, the sample mean was found to be 242.6 and the sample standard deviation was 73.33. To find the 95 percent confidence interval estimate for the mean, the correct critical value to use is:

• A) 1.96
• B) 2.2281
• C) 2.33
• D) 2.2622

---

Definitions:

Psychoanalyst

A therapist who utilizes psychoanalysis, a method of therapy rooted in Freudian theory, to explore and heal unconscious conflicts driving psychological disorders.

Junior Year Abroad

An academic program in which students spend their junior year of college or university studying in a foreign country.

Distress

Extreme anxiety, sorrow, or pain; a negative stress response that can be harmful.

Japanese Student

A student who is either from Japan or of Japanese descent, engaged in academic study.