MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A study was done of 6 patients admitted to a hospital.   Their ages (x) and systolic blood pressure (y) was recorded.

Age (x) Systolic blood pressure (y)
43 123
48 125
56 135
61 143
67 145
70 152

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     If you were to make a scatter plot, which data point would be closer to the regression line?

 

  • (56, 135)
  • (48,125)
  • (43,123)
  • They are all the same distance from the regression line.

 

F.  Determine the value of se, reporting to 3 decimal places.

 

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