# EDUC 812 Quiz 7

IMPORTANT: AFTER PURCHASE, LOG IN TO YOUR ACCOUNT AND SCROLL DOWN BELOW THIS PAGE TO DOWNLOAD FILES WITH ANSWERS. 1. In bivariate regression, the amount of change in Y for one-unit change in X is: 2. Table 1 provides a summary of the regression analysis for the variable predicting happiness. What can the researcher say about the variable sense of humor? 3. In a bivariate regression, the variable from which a prediction is made is called the predictor variable, whereas the variable to be predicted or (the outcome) is called the: 4. In bivariate regression, the difference between the obtained value and the predicted value of Y, is: 5. What assumption is not required for a bivariate regression to be a valid description of the relationship between X and Y? 6. A Multiple Linear Regression analysis generates an equation to describe the statistical relationship between one or more predictor variables and the response variable. The t -statistic and its corresponding p -value for each term tests the null hypothesis that the coefficient is equal to zero. 7. A researcher wants to evaluate the null hypothesis that the amount of time college students spend online does not significantly predict their GPA. What is the best analysis to test this null hypothesis? 8. r 2 = .547 be interpreted as  54.7% of the variance in the outcome or criterion is explained by the predictor. 9. A Multiple Linear Regression was conducted to evaluate if (sleep, diet, exercise, age, gender) can predict the criterion variable (GPA). The results of the regression model were F (5, 94) = 5.18, p < .05. The predictor variables had the corresponding p-values: 10. In bivariate regression, the value of Y when X equals 0 is: 11. In the equation, Y = b 0 + b 1X, b 0 represents the: 12. Given Y = b 0 + b 1X. If b 0 = 0 and b 1 = 5 and X = 1, Y will equal: 13. In a correlation analysis, we examine scatterplots and "imagine" a line running through the datapoints that characterizes the general linear pattern of the data. We add a number, the Pearson correlation, which summarized how tightly clustered the points would be around that imaginary line. The process of placing a line onto the scatterplots is called ________. 14. In the equation Y = b 0 + b 1 X1 , Y is level of bordem and X is listening to statistics tutorials. If b 1 = 0, what can be said about the relationship between bordem and listening to statistics tutorials? 15. In a survey that included assessment of husband and wife heights, Hodges, Krech & Crutchfield (1975) reported the following results. Lets treat wife height as the predictor (X) variable, and husband height as the outcome (Y) variable. BUY MORE MATERIALS FOR THIS COURSE: EDUC 812 Quiz 1 EDUC 812 Quiz 2 EDUC 812 Quiz 3 EDUC 812 Quiz 4 EDUC 812 Quiz 5 EDUC 812 Quiz 6 EDUC 812 Quiz 7 EDUC 812 Final Exam

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