Five students provided data regarding the number of hours they spent on studying (TimeStudy) and their GPA. The data are as follows. Answer the following questions. TimeStudy GPA Student 1 2.00 3.50 Student 2 4.00 3.70 Student 3 5.00 3.30 Student 4 3.00 2.60 Student 5 4.00 3.40
Five students provided data regarding the number of hours they spent on studying (TimeStudy) and their GPA. The data are as follows. Answer the following questions. TimeStudy GPA Student 1 2.00 3.50 Student 2 4.00 3.70 Student 3 5.00 3.30 Student 4 3.00 2.60 Student 5 4.00 3.40
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Five students provided data regarding the number of hours they spent on studying (TimeStudy) and their GPA. The data are as follows. Answer the following questions.
|
TimeStudy |
GPA |
Student 1 |
2.00 |
3.50 |
Student 2 |
4.00 |
3.70 |
Student 3 |
5.00 |
3.30 |
Student 4 |
3.00 |
2.60 |
Student 5 |
4.00 |
3.40 |
Where SS(residual)=∑i(yi−yˆi)^2 is 0.6829
- Calculate (by hand) the SStotal and SSmodel.
- What does
mean by “goodness of fit”? - What is the F-ratio for testing the “goodness of fit”? Is it statistically significant? Calculate this question by hand.
- What does tobs = 3.47 mean? What does tcrit = 3.47 mean?
- If the ƞ2 in an experiment is 0.6, give any possible value of ω2.

Transcribed Image Text:R2 Linear = 0.025
3.80
A 3.30
y=3.09+0.06*x
2.80
2.30
2.00
2.50
3.00
3.50
4.00
4.50
5.00
TimeStudy

Transcribed Image Text:Correlations
TimeStudy
GPA
TimeStudy Pearson Correlation
1
.157
Sig. (2-tailed)
.801
5
5
GPA
Pearson Correlation
.157
1
Sig. (2-tailed)
.801
N
5
LO
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