• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
Sell
Where do you study
Your language
Document preview thumbnail
Preview 1 out of 3 pages
Exam (elaborations)

MATH 225N Week 8 Assignment Coefficient of Determination

Document preview thumbnail
Preview 1 out of 3 pages

MATH 225N Week 8 Assignment Coefficient of Determination A medical experiment on tumor growth gives the following data table. A scientific study on mesothelioma caused by asbestos gives the following data table. A new mine opened and the number of dump truck loads of material removed was recorded. The table below shows the number of dump truck loads of material removed and the number of days since the mine opened.

Content preview

MATH 225N Week 8 Assignment Coefficient of Determination
Compute and interpret the coefficient of determination

Question
A medical experiment on tumor growth gives the following data table.

x y
57 38
61 50
63 76
68 97
72 113
The least squares regression line was found. Using technology, it was determined that the total
sum of squares (SST) was 3922.8 and the sum of squares of regression (SSR) was 3789.0.
Calculate R2, rounded to three decimal places.

CORRECT ANSWER:
0.966

Correct! You nailed it.
R2=SSRSST
R2=3789.03922.8
R2=0.966

Compute and interpret the coefficient of determination

Question
A scientific study on mesothelioma caused by asbestos gives the following data table.

Micrograms of asbestos Area of scar
inhaled tissue (cm2)
58 162
62 189
63 188
67 215
70 184
Using technology, it was determined that the total sum of squares (SST) was 1421.2 and the sum
of squares due to error (SSE) was 903.51. Calculate R2 and determine its meaning. Round your
answer to four decimal places.

Document information

Uploaded on
January 2, 2023
Number of pages
3
Written in
2022/2023
Type
Exam (elaborations)
Contains
Unknown
$22.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
RNMaria
4.0
(25)
Sold
161
Followers
117
Items
810
Last sold
2 months ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions