Multiple Choice
A researcher would like to study the relationship between y = graduating GPA of students at a university and x = major field of study (1 = science, 2 = humanities, etc.) . What is a possible difficulty with using a regression line to analyze these data?
A) Presence of one or more outliers
B) Inappropriately combining groups
C) Curvilinear data
D) Explanatory variable is not quantitative
Correct Answer:
Verified
Correct Answer:
Verified
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