
Module 2 Practice Questions
Flashcard
•
Mathematics
•
University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does a correlation coefficient (r) of 0.79 indicate?
Back
A pretty strong positive linear relationship between the two variables.
2.
FLASHCARD QUESTION
Front
What is a lurking variable?
Back
A variable that is not included in the analysis but affects the relationship between the variables being studied.
3.
FLASHCARD QUESTION
Front
What does a correlation coefficient (r) of -0.575 indicate?
Back
A moderate negative linear relationship between the two variables.
4.
FLASHCARD QUESTION
Front
What does 'case C -> C' signify in research studies?
Back
It indicates a study examining the relationship between two categorical variables.
5.
FLASHCARD QUESTION
Front
What does 'case Q -> Q' signify in research studies?
Back
It indicates a study examining the relationship between two quantitative variables.
6.
FLASHCARD QUESTION
Front
What is the difference between strong linear and weak linear relationships?
Back
Strong linear relationships have data points closely clustered around a straight line, while weak linear relationships have data points more spread out.
7.
FLASHCARD QUESTION
Front
What is a curvilinear relationship?
Back
A relationship between two variables that is not linear, meaning the data points do not form a straight line.
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