A researcher needs your help in identifying the best statistical method for a research study. The researcher believes that blue-collar workers have higher cholesterol levels compared to service and white-collar workers. High levels of cholesterol can lead to heart disease and stroke. The researcher hypothesizes that controlling for race, age, and income, blue-collar workers will have higher mean cholesterol levels compared to the other two groups. Which of the following is the appropriate method to employ?
A) ANCOVA/multiple linear regression
B) Simple linear regression
C) ANOVA
D) Other method

Question

Quizplus · Accepted Answer

An ANCOVA or multiple linear regression is the most appropriate method to employ because you want to compare the adjusted means between groups, which means you are controlling for other variables.

A Researcher Needs Your Help in Identifying the Best Statistical