Question:
If the value of one variable is given, you can predict the value of another variable by using the:
If the value of one variable is given, you can predict the value of another variable by using the:
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Prediction of one variable from another is the role of regression, not correlation.
Updated On: Jun 23, 2026
- Coefficient of variation
- Coefficient of correlation
- Coefficient of regression
- Coefficient of determination
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The Correct Option is C
Solution and Explanation
Step 1: The task is prediction: given x, estimate y. That is the job of regression, not correlation.
Step 2: The coefficient of regression quantifies how much the dependent variable (y) changes for a unit change in the independent variable (x), so it lets you compute the actual value of one variable from the other.
Step 3: The coefficient of correlation only tells you the strength and direction of the association, not the predicted quantity. The coefficient of variation is a measure of relative spread, and the coefficient of determination (r squared) tells the proportion of variance explained, not the predicted value.
Ref: Fundamentals of Biostatistics (regression and correlation).
Step 2: The coefficient of regression quantifies how much the dependent variable (y) changes for a unit change in the independent variable (x), so it lets you compute the actual value of one variable from the other.
Step 3: The coefficient of correlation only tells you the strength and direction of the association, not the predicted quantity. The coefficient of variation is a measure of relative spread, and the coefficient of determination (r squared) tells the proportion of variance explained, not the predicted value.
Ref: Fundamentals of Biostatistics (regression and correlation).
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