complete manual computation. (a) Draw the scatter plot. (b) Compute the value of the correlation coefficient. (c) Test the significance of the correlation coefficient at a=0.05. (d) Determine the regression line equation if r is significant. (e) Plot the regression line on the scatter plot if appropriate. (f) Predict y for a specific value of x if appropriate. regression analysis 1. A medical researcher wants to determine the relationship between the price per dose of prescription drugs in Vietnam and the price of the same dose in the Philippines. The data are shown. Describe the relationship. Vietnam price, x 1.75 0.82 1.32 Philippine price, y 3.16 2.27 2.54 1.29 3.31 0.83 3.13 0.84 1.98 0.82 2.22

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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Please answer each item with the following

complete manual computation.
(a) Draw the scatter plot.
(b) Compute the value of the correlation coefficient.
(c) Test the significance of the correlation coefficient at a=0.05.
(d) Determine the regression line equation if r is significant.
(e) Plot the regression line on the scatter plot if appropriate.
(f) Predict y for a specific value of x if appropriate. regression analysis
1. A medical researcher wants to determine the relationship between the price per dose of prescription drugs in Vietnam
and the price of the same dose in the Philippines. The data are shown. Describe the relationship.
Vietnam price, x
1.29
1.75
0.82
1.32
Philippine price, y
3.31
3.16
2.27
2.54
Driver's age, x
No. of accidents, y
63
2
2. A study is conducted to determine the relationship between a driver's age and the number of accidents he or she has
over a 1-year period. The data are shown here. If there is a significant relationship, predict the number of accidents of
a driver who is 64.
65
3
0.83
3.13
60
1
62
0
0.84
1.98
66
3
0.82
2.22
67
1
59
st
4
Transcribed Image Text:complete manual computation. (a) Draw the scatter plot. (b) Compute the value of the correlation coefficient. (c) Test the significance of the correlation coefficient at a=0.05. (d) Determine the regression line equation if r is significant. (e) Plot the regression line on the scatter plot if appropriate. (f) Predict y for a specific value of x if appropriate. regression analysis 1. A medical researcher wants to determine the relationship between the price per dose of prescription drugs in Vietnam and the price of the same dose in the Philippines. The data are shown. Describe the relationship. Vietnam price, x 1.29 1.75 0.82 1.32 Philippine price, y 3.31 3.16 2.27 2.54 Driver's age, x No. of accidents, y 63 2 2. A study is conducted to determine the relationship between a driver's age and the number of accidents he or she has over a 1-year period. The data are shown here. If there is a significant relationship, predict the number of accidents of a driver who is 64. 65 3 0.83 3.13 60 1 62 0 0.84 1.98 66 3 0.82 2.22 67 1 59 st 4
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