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Describe the pattern and discuss possible causes

W5- Assignments from the E-Text
Name: __________________________ Total Points:
= 4.0
The following assignments are taken from the E-text, Applied
Statistics in Business and Economics, by Doane and Seward
Instruction: Please provide complete answers to the parts shown
below. For full credit, all Work Must Be Shown. Please
submit as attachment to your individual forum under appropriate
thread by midnight, (MST), Monday, Day (7) of Week Five.

Chapter 12:
Chapter Exercises 12.48 (1.0 point)
12.48 In the
following regression, X = weekly pay, Y = income
tax withheld, and n = 35.
Chapter Exercises 13.32 (1.0 point)
13.32 An expert witness in a case
of alleged racial discrimination in a state university school of
nursing introduced a regression of the determinants of
Salary of each professor for each year during an 8-year
period (n = 423) with the following results.
Dependent variable: Year (Year in which the salary was

YearHire (year when the individual was hired)

Race (1 if individual is black, 0 otherwise)

Rank (1 if individual is assistant professor, 0
14.16 The following table represents U.S.
Manufactured General Aviation Shipments. 1966 -2003.
(a) Plot the above data.
(Using Technology: i.e. Excel or MegaStat). Copy your graph to this
Word document. Describe the pattern and discuss possible causes
(0.50 point)