Regression analysis is a mathematical measure of the _______ of relationship between two or more variables.
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Regression analysis quantifies the degree of the relationship between variables, helping predict changes in the dependent variable based on the independent variables.
Step 1: Understanding regression analysis.
Regression analysis is used to measure and evaluate the relationship between two or more variables. It assesses how changes in one or more independent variables affect the dependent variable. This relationship is typically measured in terms of the degree of correlation between variables.
Step 2: Analyzing the options.
(A) Size: Incorrect. Size is not a measurement used in regression analysis.
(B) Nature: Incorrect. While nature could describe the type of relationship, it’s not how regression analysis is quantified.
(C) Degree: Correct. Regression analysis measures the degree of relationship between variables.
(D) Colour: Incorrect. Colour is not relevant in the context of regression analysis.
Step 3: Conclusion.
The correct answer is (C) Degree, as regression analysis evaluates the degree of relationship between the variables.
Final Answer:} (C) Degree.