Question
Regression analysis is done to measure :
The correct answer is
difference between variables
Regression Analysis Purpose
Regression analysis is a statistical technique used to understand and quantify the relationship between variables.
It focuses on modeling how changes in one or more independent variables are associated with changes in a dependent variable.
Core Function:- Regression aims to estimate the average difference in the dependent variable that occurs due to a unit change in an independent variable.
- This estimated difference is represented by the regression coefficient (e.g., $\beta$).
- The model helps predict the dependent variable's value based on the independent variable(s), effectively measuring the expected difference.
Thus, regression analysis is performed to measure the specific difference between variables, indicating how one variable changes in relation to another.
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Important Questions from Business Statistics and Research Methods
- When one variable is Qualitative and another variable is Quantitative, which measure will be used for finding covariation between them ?
- Match List - I and List - II and choose the correct answer from the code given :
List - I (Concepts) List - II (Characteristic) (a) Descriptive Statistics (i) Process of generalizations (b) Inferential Statistics (ii) Development of certain indices from the raw data (c) Skewness (iii) Pointing to the nature of distribution of items in middle of series (d) Kurtosis (iv) Showing the manner in which items are clustered around the average
Code :
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