Grand Canyon ECN601 Module 3 problems

Question 4-13: Students in a management science class have just
information about the first test grades in some previous classes as well as the
final average for the same students. Some of these grades have been sampled and
are as follows:

STUDENT 1
2 3 4 5 6 7 8 9
1st test
grade 98 77 88 80 96 61 66 95 69
Final
average 93 78 84 73 84 64 64 95 76

(a)
Develop a regression model that could be used to predict the final average in
the course based on the first test grade.

(b)
Predict the final average of a student who made an 83 on the first test.

(c) Give
the values of r and for this model. Interpret the value of in the context of
this problem.

Question
4-14: Using the data in Problem 4-13, test to see if there is a statistically
significant relationship between the grade on the first test and the final
average at the 0.05 level of significance. Use the formulas in this chapter and
Appendix D.

Question 4-15
Using computer software, find the least squares regression line
for the data in Problem 4-13. Based on the F test, is there a statistically
significant relationship between the first test grade and the final average in
the course?

Question
4-19: Bus and subway ridership in Washington, D.C., during the summer months is
believed to be heavily tied to the number of tourists visiting the city. During
the past 12 years, the following data have been obtained:
NUMBER
OF
TOURISTS RIDERSHIP
YEAR
(1,000,000s) (100,000s)
1 7 15 2
2 10 3 6 13 4 4 15 5 14 25 6 15 27 7 16 24 8 12 20 9 14 27 10 20 44 11 15 34 12
7 17

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.