The data on the right are birth rate and income ratio for a sample of 12 developing countries. Birth rate Income ratio Y. (a) Calculate the R value for the regression of the birth rate on the income Brazil 28 8.2 ratio. Colombia 40 8.5 (b) Is the part (a) result the same as the square of correlation coefficient? Costa Rica 38 6.8 India 27. 5.6 Меxico 45 7.0 Peru Philipphes Senegal South Korea 32 5.7 32 4.8 45 3.4 37 3.5 Sri Lanka 31 4.1 Taiwan 35 26 (a) R =D (Round the final answer to three decimal places as needed. Round all intermediate values to three decimal places as ne (b) Is the part (a) result the same as the square of correlation coefficient? O Yes O No
The data on the right are birth rate and income ratio for a sample of 12 developing countries. Birth rate Income ratio Y. (a) Calculate the R value for the regression of the birth rate on the income Brazil 28 8.2 ratio. Colombia 40 8.5 (b) Is the part (a) result the same as the square of correlation coefficient? Costa Rica 38 6.8 India 27. 5.6 Меxico 45 7.0 Peru Philipphes Senegal South Korea 32 5.7 32 4.8 45 3.4 37 3.5 Sri Lanka 31 4.1 Taiwan 35 26 (a) R =D (Round the final answer to three decimal places as needed. Round all intermediate values to three decimal places as ne (b) Is the part (a) result the same as the square of correlation coefficient? O Yes O No
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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Transcribed Image Text:The data on the right are birth rate and income ratio for a sample of 12
developing countries.
Birth rate Income ratio
Y
(a) Calculate the R value for the regression of the birth rate on the income
Brazil
28
8.2
ratio.
Colombia
40
8.5
(b) Is the part (a) result the same as the square of correlation coefficient?
Costa Rica
38
6.8
India
27.
5.6
Mexico
45
7.0
Peru
32
5.7
Philipp.nes
Senegal
32
4.8
45
3.4
South Korea
37
3.5
Sri Lanka
31
4.1
Taiwan.
35
26
(a) R =D
(Round the final answer to three decimal places as needed. Round all intermediate values to three decimal places as needed.)
%3D
(b) Is the part (a) result the same as the square of correlation coefficient?
O Yes
No

Transcribed Image Text:Brazil
Colombia
28
8.2
40
8.5
ome
Costa Rica
38
6.8
India
27
5.6
Mexico
Peru
Philippines
Sene al
South Korea
45
32
7.0
5.7
32
45
37
4.8
3.4
3.5
Sri Lanka
31
4.1
Taiwan
35
2.6
Thailand
26
2.0
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