Forthe 2002 General Social Survey, counts in the happiness categories (not, pretty, very) were (6,43,75) for below average income, (6,113,178) for average income, and (6,57,117) for above average income. Table shows output for a cumulative logit model with scores{1,2,3}for the income categories. a. Explain why the output reports two intercepts but one income effect. b. Interpret the income effect. c. Report a test statistic and P-value for testing that marital happiness is independent of family income. Interpret. d. Does the model fit adequately? Justify your answer. e. Estimate the probability that a person with average family income reports a very happy marriage.
A、Hawthorne
B、Thoreau
C、Edgar Allan Poe
D、Emerson
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