MCQs > Crime & Justice > Criminal Justice And Criminology (Statistics) In The United States MCQs > Bivariate Correlation and Regression MCQs

Bivariate Correlation and Regression MCQ

Y Intercept is a value of y in an ordinary least-squares (OLS) regression equation when x is equal to _____

Answer

Correct Answer: Zero

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Slope is a term in an ordinary least-squares (OLS) regression equation that indicates the change in y associated with a one-unit change in _____

Answer

Correct Answer: X

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_____ is a graphical display of the linear relationship between two interval/ratio-level variables.

Answer

Correct Answer: Both a and b

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Difference between the predicted value of y from the regression equation and the observed value at a given x score is known as Residual.

Answer

Correct Answer: True

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Regression Line depicts the relationship between independent and _____ variables determined by an ordinary least-squares regression equation.

Answer

Correct Answer: Dependent

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Value of the dependent variable predicted by a regression equation is known as _____

Answer

Correct Answer: Predicted Value of y

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According to positive Correlation,as the independent variable increases, the dependent variable_____.

Answer

Correct Answer: Both a and c

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Pearson’s Correlation Coefficient is a statistic that quantifies the direction and strength of the relationship between two _____ -level variables.

Answer

Correct Answer: Both a and b

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Nonlinear relationships can take several forms but generally indicate a relationship that changes direction as the values of the independent variable______.

Answer

Correct Answer: Increase

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As the independent variable increases, the _____ variable decreases, it is called Negative Correlation.

Answer

Correct Answer: Dependent

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The effect of x on y is generally _____ at all values of x.

Answer

Correct Answer: Same

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Least Squares Regression Line is a regression line based on the least-squares function to calculate an equation that characterizes the best-fitting line between two _____ variables.

Answer

Correct Answer: Both a and b

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Assumption in ordinary least-squares (OLS) regression that the error terms are varied across all values of x is known as Homoscedasticity.

Answer

Correct Answer: False

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Means of y calculated for every value of x is known as conditional Mean of y.

Answer

Correct Answer: True

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Coefficient Of Determination is the percentage of the variation in the dependent variable (y) that is explained by the _____ variable.

Answer

Correct Answer: Independent

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Bivariate Correlation measures the _____ relationship between two variables.

Answer

Correct Answer: Linear

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_____ is the name for the population parameter of the slope, but also a name given to the standardized slope regression coefficient in multiple regression.

Answer

Correct Answer: Beta Coefficient

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More Criminal Justice And Criminology (Statistics) In The United States Subjects
Criminological Sciences Statistics
Aggregation Measurement
Criminal Data Distributions Techniques
Measures of Central Tendency
Measures of Dispersion
Probability Distributions and Inferential Testing
Point Estimation and Confidence Intervals
Statistical Tests and Estimations
Categorical Data and Hypotheses
Hypothesis Tests for Two Population Means
Hypothesis Tests for Three or More Population Means
Multiple OLS Regression
Logit Models
More Resources
Criminal Justice And Criminology (Statistics) In The United States Skill Assessment
Criminal Justice And Criminology (Statistics) In The United States PDF
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