A researcher is interested in whether students' grade point averages differed in between those enrolled in lab science, social science, humanities, and mathematics courses. She compared students from a chemistry, an economics, an art, and a calculus class. What would be the most appropriate statistical analysis for these data?
A) Bivariate regression
B) One-way analysis of variance
C) Correlation coefficient
D) Chi-square test for independence

Question

Quizplus · Accepted Answer

The most appropriate statistical analysis for comparing means across more than two groups (in this case, different types of courses) is the One-way Analysis of Variance (ANOVA). ANOVA is used to determine if there are any statistically significant differences between the means of three or more independent (unrelated) groups.

A Researcher Is Interested in Whether Students' Grade Point Averages