SAMPLE QUESTIONS

Asked by andywilzon
Dated: 10th Feb'19 05:17 PM
Bounty offered: $10.00

1. A polling organization collected data on a sample of 60 registered voters regarding a tax on the market value of equity transactions as one remedy for the budget deficit.
 

Opinion about Market Tax Education
High School College Grad. MBA
Favorable 15 5 0
Undecided 10 8 2
Unfavorable 0 2 18

 
 
a. Compute gamma for the table.
b. Compute tau b or tau c for the same data.
c. What accounts for the differences?
d. Decide which is more suitable for these data.
 
2. For the following data,
 

X Y
25 5
19 7
17 12
14 23
12 20
9 25
8 26
7 28
3 20

 
a. Calculate the correlation between X and Y.
b. Interpret the sign of the correlation.
c. Interpret the square of the correlation.
d. Plot the least-squares line.
e. Test for a linear relationship:
(1) Beta1 = 0.
(2) r = 0.
3) An F test.