Problem 4 (25 points total) (Chapter 8)

Write your answers on this sheet.

Show work on a separate sheet. No Work, then No Credit.

Administration at Notre Dame State University has compiled data of freshman applications versus tuition for 10 years as follows:

Year	Freshman Applications	Annual Tuition
1	7050	3600
2	5060	4800
3	5200	5000
4	4410	5200
5	5380	5400
6	4160	6600
7	5560	7200
8	2970	7100
9	4280	8600
10	3430	9100

Table3

4a. Administration at Notre Dame University believes that as tuition increases then freshman applications decrease. If you were to develop a trend analysis for annual tuition, what would be the independent variable? (I am looking for a noun here; I am not looking for a number). 6 points

Hint: Trend analysis, look at powerpoints and find out what trend analysis is

______________________ answer

4b. Administration at Notre Dame University believes that the as number of freshman applications decrease then tuition increases. If you were to develop a trend analysis for number of freshman applications, what would be the independent variable? (I am looking for a noun here; I am not looking for a number). 6 points

Hint: Trend Analysis, look at powerpoints and find out what trend analysis is

_________________________ answer

4c. In part b above what is the sum of all 10 independent variables. I am looking for a number here. Add the sum of the 10 independent variables (from part b) in Table 3 above. 6 points

________________ answer (go to two decimal places)

4d. Administration at Notre Dame University believes that as freshman applications decrease then tuition increases. If you were to develop a linear regression model to determine if the administration beliefs are correct, what would your independent variable be? (I am looking for a noun here; I am not looking for a number). 7 points

_________________ answer