Question Details

15. Use the given information to find the coefficient of determination. A regression equation is obtained for a collection of paired data. It is...


15. Use the given information to find the coefficient of determination. A regression equation is obtained for a collection of paired data. It is found that the total variation is 130.3, the explained variation is 79.3, and the unexplained variation is 51. Find the coefficient of determination. (Points : 4) 0.391 1.643 0.609 0.643 16. Use the computer display to answer the question. A collection of paired data consists of the rumher of years that studflttshave studied Spanish and their scores ona Spanidt language proficiency: test. A. computer program Isa s used to obtain the least squares linear regression line and the computer output is sl‘lotm below. Along with the paired sample data, the programt'ms also givenan 3-: value of 2 [years of study] to he used forpredicting test score. The regressionequafion is Score = 315.5 + 10.91} "fears. Predictor Coef StDev T P Constant 31.55 6.360 41.96 1101]} 1fears 11191} 13314 6.25 Dill-EH} 5: 5.651 R—Sq= 83.0%-J: R—Sq [Adj] = 8235-5: Predicted values 33 StDevPit SEE-am sate-3131 33.33 3.133 .1232, 33.33] [31.31.3309] 1What percentage of the total variation in test scores is Lmecpla‘ined by the linear relationship bei'n—‘een vears of studvand test scores? . - . (Points : 4) 17.0% 8.9% 83.0% 82.7%
This text was automatically generated from the attachment. Please refer to the attachment to view this question.
This question was created from Inetmediate Statistics Week-4 Final https://www.coursehero.com/file/7506360/Inetmediate-Statistics-Week-4-Final/?focusQaId=10232963

 


Solution details:

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .
SiteLock

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Oct 15, 2019

EXPERT

Tutor

ANSWER RATING

YES, THIS IS LEGAL

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

NEW ASSIGNMENT HELP?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN A DEADLINE.

Order Now