week 7 assignment

Week 7 Assignment
Assume you have noted the following prices for paperback books and the number of pages that each book contains.


Don't use plagiarized sources. Get Your Custom Essay on
week 7 assignment
Just from $13/Page
Order Essay

Pages (x variable)

Price (y variable)














1. Create a scatter diagram which shows the trendline (this is the regression line) and provides the coefficient of determination. Reminder, Week 1 hints in the discussion showed how to make a scatter diagram. Also, this is a graph. It needs to have a title which shows both variables and labeled axes.
2. Define coefficient of determination from the graph (r squared). What does this tell you?
3. Define Pearson’s Product Moment Correlation Coefficient (r).  What does this tell you about how well the data fits the trend?
4. What is the equation of the trendline?
5. According to the equation of the trendline, if a book had 535 pages, how much should it cost?
6. According to the equation of the trendline, if a book cost $9.88, how many pages should it have?
7. Conduct a full hypothesis test to determine if x and y are related. Use α = 0.05. Remember to use all the steps of hypothesis testing.

Place your order
(550 words)

Approximate price: $22

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:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
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.

Read more

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.

Read more

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.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 20% with the discount code WELCOME