The post is about the Correlation and Regression Quiz. There are 20 multiple-choice questions. The quiz covers the topics related to correlation analysis and regression analysis, Basic concepts, assumptions, and violations of correlation and regression analysis, Model selection criteria, interpretation of correlation and regression coefficients, etc.

Online MCQs about Correlation and Regression Analysis with Answers

### Online Correlation and Regression Quiz with Answers

- The strength (degree) of the correlation between a set of independent variables $X$ and a dependent variable $Y$ is measured by
- The percent of the total variation of the dependent variable $Y$ explained by the set of independent variables $X$ is measured by
- A coefficient of correlation is computed to be -0.95 means that
- Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that
- The relationship between the correlation coefficient and the coefficient of determination is that
- Multicollinearity exists when
- If “time” is used as the independent variable in a simple linear regression analysis, then which of the following assumptions could be violated
- In multiple regression, when the global test of significance is rejected, we can conclude that
- A residual is defined as
- What test statistic is used for a global test of significance?
- If the value of any regression coefficient is zero, then two variables are said to be
- In the straight line graph of the linear equation $Y=a+bX$, the slope will be upward if
- In the straight line graph of the linear equation $Y=a+bX$, the slope will be downward if
- In the straight line graph of the linear equation $Y=a+BX$, the slope is horizontal if
- For the regression $\hat{Y}=5$, the value of regression coefficient of $Y$ on $X$ will be
- If $\beta_{yx} = -1.36$ and $\beta_{xy} = -0.34$ then $r_{xy} =$
- If one regression coefficient is greater than one then the other will be
- To determine the height of a person when his weight is given is
- The dependent variable is also called
- The dependent variable is also called