The following table provides hypothetical information on 10 TTSE companies. The table gives the information on the percentage of stocks and the change (in dollars per share) in each stock's price. Stock Agostini Angostura Guardian Holdings National Enterprise Sagicor Firstcaribbean GraceKennedy Prestige Holdings Readymix(WI) Berger Paints Percentage traded 19.6 14.7 12.4 9.3 9.0 8.0 7.9 7.9 7.8 7.4 Change ($) -0.43 -1.10 0.85 -0.11 -0.42 -1.16 -0.04 -0.11 -0.02 -0.57
The following table provides hypothetical information on 10 TTSE companies. The table gives the information on the percentage of stocks and the change (in dollars per share) in each stock's price. Stock Agostini Angostura Guardian Holdings National Enterprise Sagicor Firstcaribbean GraceKennedy Prestige Holdings Readymix(WI) Berger Paints Percentage traded 19.6 14.7 12.4 9.3 9.0 8.0 7.9 7.9 7.8 7.4 Change ($) -0.43 -1.10 0.85 -0.11 -0.42 -1.16 -0.04 -0.11 -0.02 -0.57
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
![The following table provides hypothetical information on 10 TTSE companies. The table gives the
information on the percentage of stocks and the change (in dollars per share) in each stock's price.
Stock
Agostini
Angostura
Guardian Holdings
National Enterprise
Sagicor
Firstcaribbean
GraceKennedy
Prestige Holdings
Readymix(WI)
Berger Paints
Percentage traded
19.6
14.7
12.4
9.3
9.0
8.0
7.9
7.9
7.8
7.4
Change ($)
-0.43
-1.10
0.85
-0.11
-0.42
-1.16
-0.04
-0.11
-0.02
-0.57](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd8f34c27-d547-42cf-8513-49967d562251%2F5ff70d16-573d-4782-9e7e-bf4b4386b644%2Fkz3kq65l_processed.png&w=3840&q=75)
Transcribed Image Text:The following table provides hypothetical information on 10 TTSE companies. The table gives the
information on the percentage of stocks and the change (in dollars per share) in each stock's price.
Stock
Agostini
Angostura
Guardian Holdings
National Enterprise
Sagicor
Firstcaribbean
GraceKennedy
Prestige Holdings
Readymix(WI)
Berger Paints
Percentage traded
19.6
14.7
12.4
9.3
9.0
8.0
7.9
7.9
7.8
7.4
Change ($)
-0.43
-1.10
0.85
-0.11
-0.42
-1.16
-0.04
-0.11
-0.02
-0.57
![(a) With percentage traded as an independent variable and the change in the stock's price as a dependent
variable, compute SSxx, SSyy and SSxy
(b) Construct a scatter diagram for these data. Does the scatter diagram exhibit a negative co-relationship
between the percentage of stock traded and the change in the stock's price?
(c) Find the regression equation ŷ = a + bx
(d) Give a brief interpretation of the values a and b calculated in part c.
(e) Compute the correlation coefficient, r.
(f) Predict the change in a stock's price if 8.6% of the stock's shares are traded on a day. Using part b,
how reliable do you think this prediction will be?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd8f34c27-d547-42cf-8513-49967d562251%2F5ff70d16-573d-4782-9e7e-bf4b4386b644%2Fkt3drm_processed.png&w=3840&q=75)
Transcribed Image Text:(a) With percentage traded as an independent variable and the change in the stock's price as a dependent
variable, compute SSxx, SSyy and SSxy
(b) Construct a scatter diagram for these data. Does the scatter diagram exhibit a negative co-relationship
between the percentage of stock traded and the change in the stock's price?
(c) Find the regression equation ŷ = a + bx
(d) Give a brief interpretation of the values a and b calculated in part c.
(e) Compute the correlation coefficient, r.
(f) Predict the change in a stock's price if 8.6% of the stock's shares are traded on a day. Using part b,
how reliable do you think this prediction will be?
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