1. What is dependent and independent variable? The
independent variable X is being observed to test the dependent
variables effect while the dependent variable Y is being tested and
usually predicted.
2. What conclusion can be made from the scatter diagra
MA 321
FINAL EXAM
M.KUDINOV
FIT
YOUR NAME_
1. The names of the coefficients in the regression equation are _b0 (Y-intercept),
b1 (Slope or Change in Y due to Change in X if Xi remains constant), b2.
bi_.
2. In the time series the independent variable is _
Problem 1.
gpigmat.xls
Problem 13.78 page 558
Problem78 page 147
The director of graduate studies would like to predict
the grade point average (GPA) of students in MBA program based on the Graduate
Management Admission Test (GMAT) score. The results are
Problem 16.30 GE.xls
Autoregression
page 677
page 275
The data in the table represent the January 1 stock price for the 23-year period fro 1987 to 2009
for General Electric, one of the world's largest companies.
X
Coded year
Year
1987
1988
1989
1990
1991
FINAL EXAM MA321 FIT M. KUDINOV
YOUR NAME_
Answer the questions in spaces provided in this firle and submit it here.
Pr1. Time Series.
The data in the table below represent the annual revenues(in billion of dollars)
of McDonald's Corporation over the 31-y
Unit 6
Time Series Smoothing and Forecasting
This problem is solved in ch16, ch6 as a chapter example
Reading assignment:
pages 646-661
pages 246-261
Moving average an exponential smoothing problem.
Sample problem
cabot.xls
page 646,649
page 246, 249
Tabl
Problem 13.8 page 523
Problem 8 page 112
Introduction
The value of a sports franchise is directly related to the amount of revenue that a franchise can generate.
The data int the table represent the value (in million of dollars) and the annual revenue (in
Unit 7
Autoregressive modeling
This problem is solved in ch16, ch6 as a chapter example
Reading assignment:
pages 666-674
pages 266-274
Sample problem
wrigley.xls
page 646, 671
page 246, 271
Table bellow lists the real gross revenues (in million of dollar
Review questions for Test1. ANOVA one and two ways.
1. What is a factor in ANOVA method? A factor in the ANOVA method is used to
determine its effect on the response variable. For example, in the one way method one
factor means the data is grouped in one
Problem 14.43 page 600
Problem 43 page 192
Introduction
The owner of a moving company would like to develop a model of predicting
the labor hours that is required to complete a move by using the number
of cubic feet moved and whether there is an elevator