Miss Natalia

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About Miss Natalia

Levels Tought:
Elementary,High School,College,University

Expertise:
Accounting,Business & Finance See all
Accounting,Business & Finance,Calculus,Computer Science,Environmental science,Health & Medical Hide all
Teaching Since: Apr 2017
Last Sign in: 359 Weeks Ago, 5 Days Ago
Questions Answered: 6064
Tutorials Posted: 6070

Education

  • Doctor of Education in Educational Leadership with a Specialization in Educational Technology
    Phoniex University
    Oct-1999 - Nov-2005

Experience

  • HR Executive
    a21, Inc.
    Nov-1998 - Dec-2005

Category > Business & Finance Posted 05 May 2017 My Price 10.00

Explain what the statistic R2 is used for in regression analysis.

Coefficient of Determination

 

The discussion assignment provides a forum for discussing relevant topics for this week based on the course competencies covered.

To support your work, use your course and text readings and also use the South University Online Library. As in all assignments, cite your sources in your work and provide references for the citations in APA format. Make sure all references are cited in APA format. References should be current at least within the last 5 years. Remember that references should be used to support your peer responses.

 

Coefficient of Determination

The purpose of this assignment is to learn about the coefficient of determination (R2) statistic as a measure of the fit of a regression line.

R2 is a statistical measure of how close the data are to a fitted regression line. In general, the higher the R2, the better the model fits your data. However, while R2 measures goodness of fit, it does not indicate whether a regression model is adequate. You can have a low R2 value for a good model or a high R2 value for a model that does not fit the data.

Using the South University Online Library, the Internet, and your text readings, research about R2.

On the basis of your research and your involvement in public health functions, respond to the following:

  • Find and state a definition of R2 that you feel is easy to understand.
  • In your own words, provide a substantive explanation of what R2 represents.
  • Explain what the statistic R2 is used for in regression analysis.
  • Explain how R2 is affected by sample size.
  • Describe whether a large R2 value means that a regression is significant. Provide reasons for your answer.
  • Describe how you would substantively interpret R2.
Assignment 1 Grading Criteria
Maximum Points
Quality of initial posting.
12
Frequency of responses to classmates.
8
Quality of responses to classmates.
8
Reference to supporting readings.
8
Language and grammar.
4
Total:
40

 

 

Answers

Miss Natalia
(14)
Status NEW Posted 05 May 2017 03:05 AM My Price 10.00

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