RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

REGRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Simple linear regression is
A
unstandardized
B
standardized
C
only an inferential statistic
D
only used when the predictor is a continuous variable
Explanation: 

Detailed explanation-1: -Unstandardized coefficients are those that the linear regression model produces after its training using the independent variables, which are measured in their original scales, i.e., in the same units in which we are taken the dataset from the source to train the model.

Detailed explanation-2: -Answer and Explanation: The main difference between a standardized and unstandardized beta coefficient in multiple regression is b) Standardized beta coefficients are expressed in standard deviations whereas unstandardized coefficients are expressed in raw units.

Detailed explanation-3: -The first symbol is the unstandardized beta (B). This value represents the slope of the line between the predictor variable and the dependent variable. So for Variable 1, this would mean that for every one unit increase in Variable 1, the dependent variable increases by 1.57 units.

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