A study was done of 6 patients admitted to a hospital. Their ages (x) and systolic blood pressure (y) was recorded. Age (x) 43 48 56 61 67 70 Systolic blood pressure (y) 123 125 135 143 145 152 Determine the equation of the regression equation, reporting each to 3 decimal places. A. Slope is B. Yintercept is C. Compute the residual for x = 43, using the rounded slope and y intercept. Report answer to 3 decimal places. %3D O1.426 D. Compute the residual for x = 48, using the rounded slope and y intercept. Report answer to 3 decimal places. E. The data value of x = 56 has a residual of -0.575 Ifyou were to make a scatter plot, which data point would be closer to the regression line? O(43,123) O(6, 135) O(48,125) O They are all the same distance from the regression line. F. Determine the value of s.. reporting to 3 decimal places. G. Determine the value of (x-mean). Note: The mean is an exact value with 1 decimal place. The desired value also has 1 decimal place. H. Determine the lower bound of a 95% confidence interval for the slope. Use the T score to 3 decimal places and the rounded value of se reported in part F. Report answers to 3 decimal places. 1. Determine the upper bound of a 95% confidence interval for the slope Use the T score to 3 decimal places and the rounded value of se reported in part F. Report answers to 3 decmal places J If the interval was changed to 90%. what would happen to the size of the error and the interval?
A study was done of 6 patients admitted to a hospital. Their ages (x) and systolic blood pressure (y) was recorded. Age (x) 43 48 56 61 67 70 Systolic blood pressure (y) 123 125 135 143 145 152 Determine the equation of the regression equation, reporting each to 3 decimal places. A. Slope is B. Yintercept is C. Compute the residual for x = 43, using the rounded slope and y intercept. Report answer to 3 decimal places. %3D O1.426 D. Compute the residual for x = 48, using the rounded slope and y intercept. Report answer to 3 decimal places. E. The data value of x = 56 has a residual of -0.575 Ifyou were to make a scatter plot, which data point would be closer to the regression line? O(43,123) O(6, 135) O(48,125) O They are all the same distance from the regression line. F. Determine the value of s.. reporting to 3 decimal places. G. Determine the value of (x-mean). Note: The mean is an exact value with 1 decimal place. The desired value also has 1 decimal place. H. Determine the lower bound of a 95% confidence interval for the slope. Use the T score to 3 decimal places and the rounded value of se reported in part F. Report answers to 3 decimal places. 1. Determine the upper bound of a 95% confidence interval for the slope Use the T score to 3 decimal places and the rounded value of se reported in part F. Report answers to 3 decmal places J If the interval was changed to 90%. what would happen to the size of the error and the interval?
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:A study was done of 6 patients admitted to a hospital. Their ages (x) and systolic blood pressure (y) was recorded.
Age (x)
43
48
56
61
67
70
Systolic blood pressure (y)
123
125
135
143
145
152
Determine the equation of the regression equation, reporting each to 3 decimal places.
A. Slope is
B. Yintercept is
C. Compute the residual for x = 43, using the rounded slope and y intercept. Report answer to 3 decimal places.
%3D
O1.426
D. Compute the residual for x = 48, using the rounded slope and y intercept. Report answer to 3 decimal places.
E. The data value of x = 56 has a residual of -0.575 Ifyou were to make a scatter plot, which data point would be
closer to the regression line?
O(43,123)
O(6, 135)
O(48,125)
O They are all the same distance from the regression line.
F. Determine the value of s.. reporting to 3 decimal places.
G. Determine the value of (x-mean). Note: The mean is an exact value with 1 decimal place. The desired
value also has 1 decimal place.
H. Determine the lower bound of a 95% confidence interval for the slope. Use the T score to 3 decimal places and the
rounded value of se reported in part F. Report answers to 3 decimal places.
1. Determine the upper bound of a 95% confidence interval for the slope Use the T score to 3 decimal places and the
rounded value of se reported in part F. Report answers to 3 decmal places
J If the interval was changed to 90%. what would happen to the size of the error and the interval?
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