Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (Each pair of variables has a significant correlation.) Then use the regression equation to
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (Each pair of variables has a significant correlation.) Then use the regression equation to
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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Question
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (Each pair of variables has a significant correlation .) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The caloric content and the sodium content (in milligrams) for 6 beef hot dogs are shown in the table below.
|
Calories, x
|
160
|
170
|
130
|
130
|
90
|
180
|
|
(a)
x=150
calories |
(b)
x=100
calories |
|---|---|---|---|---|---|---|---|---|---|
|
Sodium, y
|
410
|
460
|
350
|
370
|
270
|
510
|
|
(c)
x=140
calories |
(d)
x=210
calories |
Find the regression equation.
(a) Predict the value of y for x=150
(b) Predict the value of y for x=100.
(c) Predict the value of y for x=140.
(d) Predict the value of y for x=210.
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