You have a small sample of voting information for a recent election. This includ

Question

You have a small sample of voting information for a recent election. This includes data on which party a person voted for (dem=1 for democrat, =0 for other), gender (male=1 for male, =0 for female), income (in thousands of dollars) and age (in years). You create a table tabulating votes by gender.

          |        male

      dem |        0         1 |    Total

-----------+----------------------+----------

        0 |       10         8 |       18

        1 |       10         6 |       16

-----------+----------------------+----------

    Total |       20        14 |       34

In a linear probability model of dem on male, what is the intercept coefficient? (Hint: calculate the relevant probabilities.)

.056

.348

.444

.482

.500

You have a small sample of voting information for a recent election. This includes data on which party a person voted for (dem=1 for democrat, =0 for other), gender (male=1 for male, =0 for female), income (in thousands of dollars) and age (in years). You create a table tabulating votes by gender.

          |        male

      dem |        0         1 |    Total

-----------+----------------------+----------

        0 |       10         8 |       18

        1 |       10         6 |       16

-----------+----------------------+----------

    Total |       20        14 |       34

In a linear probability model of dem on male, what is the coefficient on the male variable?

-.071

.429

-.056

.444

.500

You have a small sample of voting information for a recent election. This includes data on which party a person voted for (dem=1 for democrat, =0 for other), gender (male=1 for male, =0 for female), income (in thousands of dollars) and age (in years). You create a table tabulating votes by gender.

          |        male

      dem |        0         1 |    Total

-----------+----------------------+----------

        0 |       10         8 |       18

        1 |       10         6 |       16

-----------+----------------------+----------

    Total |       20        14 |       34

In a logistic regression model of dem on gender (remember, a “logistic” is what we call the exponentiated version of a “logit”), what is the value of the coefficient on male? (Hint: calculate the relevant odds.)

0.75

0.80

0.90

1.25

1.50

Explanation / Answer

a) linear probability model of dem on male, what is the intercept coefficient is

male 1 = 8 + 8 = 16

probability is    8/16 = 1/2 = 0.500

option d

b) what is the coefficient on the male variable

probability is 6/14= 0.429   option b

c) coefficeent =10/20+ 6/14= 0.9285

option c

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