Fitting a straight line to a set of data yields the following prediction line. Complete (a) through (c) below. Î; = 6 + 10X; ..... a. Interpret the meaning of the Y-intercept, bo. Choose the correct answer below. O A. The Y-intercept, bo = 6, implies that the average value of Y is 6. O B. The Y-intercept, bo = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units. O C. The Y-intercept, bo = 10, implies that when the value of X is 0, the mean value of Y is 10. O D. The Y-intercept, bo = 6, implies that when the value of X is 0, the mean value of Y is 6. b. Interpret the meaning of the slope, b1. Choose the correct answer below. O A. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to decrease by 10 units. B. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 10 units. C. The slope, b, = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units. D. The slope, b, = 10, implies that the average value of Y is 10. c. Predict the mean value of Y for X = 5. Yj = (Simplify your answer.) %3D
Fitting a straight line to a set of data yields the following prediction line. Complete (a) through (c) below. Î; = 6 + 10X; ..... a. Interpret the meaning of the Y-intercept, bo. Choose the correct answer below. O A. The Y-intercept, bo = 6, implies that the average value of Y is 6. O B. The Y-intercept, bo = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units. O C. The Y-intercept, bo = 10, implies that when the value of X is 0, the mean value of Y is 10. O D. The Y-intercept, bo = 6, implies that when the value of X is 0, the mean value of Y is 6. b. Interpret the meaning of the slope, b1. Choose the correct answer below. O A. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to decrease by 10 units. B. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 10 units. C. The slope, b, = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units. D. The slope, b, = 10, implies that the average value of Y is 10. c. Predict the mean value of Y for X = 5. Yj = (Simplify your answer.) %3D
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:Fitting a straight line to a set of data yields the following prediction line. Complete (a) through (c) below.
Ý; = 6+ 10X;
a. Interpret the meaning of the Y-intercept, bo. Choose the correct answer below.
A. The Y-intercept, bo = 6, implies that the average value of Y is 6.
B. The Y-intercept, bo = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units.
C. The Y-intercept, bo = 10, implies that when the value of X is 0, the mean value of Y is 10.
D. The Y-intercept, bo = 6, implies that when the value of X is 0, the mean value of Y is 6.
b. Interpret the meaning of the slope, b,. Choose the correct answer below.
A. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to decrease by 10 units.
B. The slope, b, = 10, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 10 units.
C. The slope, b, = 6, implies that for each increase of 1 unit in X, the value of Y is expected to increase by 6 units.
D. The slope, b, = 10, implies that the average value of Y is 10.
c. Predict the mean value of Y for X = 5.
Y = (Simplify your answer.)
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