What role does the coefficient of determination play in regression?
What will be an ideal response?
The coefficient of regression, r2, indicates how accurate a prediction the regression model provides. It follows a PRE measure of association. It reflects the proportion of the total variation in the dependent variable, Y, explained by the independent variable, X.
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Research conducted by sociologist Joe R. Feagin in major metropolitan areas documented __________
a. the persistence of discrimination and prejudice directed against middle-class blacks in public places b. that blacks frequently experience avoidance by whites and are rejected, harassed, and victimized by other threats c. that black citizens are increasingly asserting their rights even in embarrassing social situations and are demanding redress and apologies from business owners d. All of the above e. None of the above
You are writing a term paper about the importance of insurance. You have learned that, compared with those who have insurance, people without health insurance __________.
A. are twice as likely to postpone seeking medical care and over four times as likely to forgo needed care B. are able to receive charity care from the hospital, but the care is not as thorough C. are less likely after an accidental injury to receive any care and are ten times as likely to receive no recommended follow-up care D. are less likely to be in debt or file bankruptcy
Millenarian movements are, in essence,
A. retreatist movements. B. activist, political movements. C. assimilation movements. D. none of the above.
Cuban Americans are one of the most spatially concentrated minority groups in the United States.
Answer the following statement true (T) or false (F)