Allowance in peso (x) (y) xy 88 10,560 120 14,400 90 13,500 7,744 150 22,500 85 8,500 8,100 100 10,000 87 10,440 7,225 120 14,400 92 7,360 7,569 80 6,400 85 8,500 8,464 100 10,000 89 13,350 7,225 150 22,500 Σν-616 Exy 72,210 7,921 Cr%=820 Ex =100,200 Ey = 54,248 n(Exy)-(E*)-(Ev) n(Ex*)-(E*)' •/"(Ey)-(Ex} Interpretation: othesis testing: H H: Use test with a = and df=. 3 Tab %3D n-2 1-r T =. Decision: Conclusion: CORRELATION
Allowance in peso (x) (y) xy 88 10,560 120 14,400 90 13,500 7,744 150 22,500 85 8,500 8,100 100 10,000 87 10,440 7,225 120 14,400 92 7,360 7,569 80 6,400 85 8,500 8,464 100 10,000 89 13,350 7,225 150 22,500 Σν-616 Exy 72,210 7,921 Cr%=820 Ex =100,200 Ey = 54,248 n(Exy)-(E*)-(Ev) n(Ex*)-(E*)' •/"(Ey)-(Ex} Interpretation: othesis testing: H H: Use test with a = and df=. 3 Tab %3D n-2 1-r T =. Decision: Conclusion: CORRELATION
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer step 1-5. Gladly appreciate it.
Thank you in advance
Transcribed Image Text:Step 4 Computed value of
7-2
T 0.47
1-(0.47)
-0.47
0.78
0.47/6.41
- 0.47(2.53)
1.19.
Step 5
Since T <T, then we do not reject H,
tab
Conclusion: There is no correlation between the grades in Math and in English
Check Your Progress
Determine if there is correlation between the daily allowance of students and their me
grade in all of their subjects using the data below. Use Pearson's r product moment
correlation. Then, test the hypothesis whether there is a significant correlation or not
Use a =5%.
adi wode anite elerbog
orliogvd
Allowance in pesos (x)
Average Grade (y)
120
88
150
90
100
85
120
87
80
92
100
85
150
89
oriw.
16 70
Tol sldst Jast-1 odt
TAAC
CORRELATION AND REGRESSION
Transcribed Image Text:table for the needed values is already provided below.
Average Grade
(y)
able
Allowance
in peso (x)
xy
88
10,560
120
14,400
90
13,500
150
7,744
85
22,500
8,500
8,100
100
10,000
87
10,440
7,225
120
14,400
92
7,360
7,569
80
6,400
85
8,500
8,464
100
10,000
89
13,350
7,225
150
22,500
Σν-616
Exy =72,210
7,921
Ex=820
Ex² =100,200
Ey =54,248
English.
%3D
n(Exy)-(E*)-(Ey)
Vn(E*)-(E*)* • /n(Ev°)-(E*}
ir mean
nt
not.
Interpretation:
Hypothesis testing:
Step 1 H
H:
2as sho
Step 2 Use
test with a =
and df =
Step 3 T
%3D
tab
Step 4 T
n-2
1-r?
00
T =
%3D
Step 5 Decision:
Conclusion:
CORRELATION
231
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman