Question32 ofConsider the relationship between the following variables: ∙ Household income ∙ Square footage of the primary residence Household income would be considered the independent variable 40 TrueFalse Question33 of 40
Two variables have a correlation coefficient equal to -0.65 from a sample size of 10. Which of the following statements describes the results of a hypothesis test in which the population correlation coefficient is less than zero using α = 0.05? Question34 ofThe ________ is used to test the significance of the population correlation coefficient. 40 Question35 ofThe formula for the equation describing a straight line is = a + bx. The value for b in this equation represents the 40 Question36 ofThe ________ measures the variation in the dependent variable that is explained by variables other than the independent variable in simple regression analysis. 40 sum of squares withinsum of squares errorsum of squares regression
total sum of squares Question37 ofThe table below shows the number of cars sold last month by six employees at Concord Motors and each employee'snumber of years of sales experience.The correlation coefficient for this data is ________. 40 Question38 ofCostco sells paperback books in their retail stores and wanted to examine the relationship between price and demand. The price of a particular novel was adjusted each week, and the weekly sales were recorded in the table below. 40
Question39 of105) ________ is present in the regression model when independent variables within the model are highly correlated. 40 Question40 of107) If the variance inflation factor exceeds ________, enough correlation exists between the independent variables to claim the presence of multicollinearity in the regression model. 40 3.0 5.0 6.0
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