Answer b and c in short way Because their college had just upgraded its residenc

Question

Answer b and c in short way

Because their college had just upgraded its residence halls, two seniors decided to build a model of the decision to live on campus. They collected data from 533 upper-class students (first-year students were required to live on campus) and estimated the following equation: L:Pr(D_i = 1) 3.26 + 0.03UNIT_i - 0.13ALCOi 0.99YEAR -0.39GREKi (0.04) (0.08) (0.12) (0.21) N = 533 R^2_p = 668 iterations = 4 where: D_i = 1 if the ith student lived on campus, 0 otherwise UNIT_i = the number of academic units the with student was taking ALCO_i = the nights per week that the with student consumed alcohol YEAR_i = 2 if the ith student was a sophomore, 3 if a junior, and 4 if a senior GREK_i = 1 if the with student was a member of a fraternity/serenity, 0 otherwise What problem do you see with the definition of the YEAR van able? What constraint does this definition place on the estimated confidents? Carefully state the meaning of the coefficient of ALCO and analyze the size of the confident.

Explanation / Answer

B. Per the estimated equation, variable YEAR has negative coefficient. Means more the year (2,3,4) less the probability of student lived in college campus which is counter intuitive. It should be positive.

C.The variable ALCO coefficient is also negative i.e. more nights the students consumed alcohol less the probability he lived in campus. Quatitatively, if student consumed 1 more night alcohol his probability of living in campus reduces by 13% as compared to student who did not consume alcohol.

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