Q. Which of the following is a difference between the White test and the Breusch-Pagan test? a. The White test is used for detecting autocorrelation in a linear regression model, whereas the Breusch-Pagan test is used for detecting heteroscedasticity. b. The White test is used for detecting heteroscedasticity in a linear regression model, whereas the Breusch-Pagan test is used for detecting heteroscedasticity in a quadratic regression model. c. The number of regressors used in the White test is larger than the number of regressors used in the Breusch-Pagan test. d. The number of regressors used in the Breusch-Pagan test is larger than the number of regressors used in the White test.
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
Q. Which of the following is a difference between the White test and the Breusch-Pagan test?
a. The White test is used for detecting autocorrelation in a linear regression model, whereas the Breusch-Pagan test is used for detecting heteroscedasticity.
b. The White test is used for detecting heteroscedasticity in a linear regression model, whereas the Breusch-Pagan test is used for detecting heteroscedasticity in a quadratic regression model.
c. The number of regressors used in the White test is larger than the number of regressors used in the Breusch-Pagan test.
d. The number of regressors used in the Breusch-Pagan test is larger than the number of regressors used in the White test.
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