Criminal Justice And Criminology (Statistics) In The United States 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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