Run the Linear Regression Analysis for the following: → Submit Excel File The average driving distance (yards) and driving accuracy (percent of drives that land in the fairway) for 8 golfers are recorded in the table below. Rank Driving Distance (yards) Driving Accuracy (%) 1 316.3 41.7 2 304.9 48.8 3 310.8 42.3 4 312.5 41.2 5 294.5 54.7 6 290.7 54.4 7 296.9 54.2 8 295.6 53.9 a- Write the equation of a straight-line model relating driving accuracy (y) to driving distance (x). Select one of the following: i. Y = β1x + ε ii. Y = β1x2+ β0 iii. Y = β1x iv. Y = β0 + β1x + ε b- Fit the model and give the least square prediction equation c- Interpret the estimated y-intercept of the line. Choose the correct answer below: i. Since a drive with 0% accuracy is outside the range of the sample data, the y-intercept has no practical interpretation. ii. Since a drive with distance 0 yards is outside the range of the sample data, the y- intercept has no practical interpretation. iii. For each additional percentage in accuracy, the distance is estimated to change by the value of the y-intercept. iv. For each additional yard in distance, the accuracy is estimated to change by the value of the y-intercept. d- Interpret the estimated slope of the line. Choose the correct answer below. i. Since a drive with distance 0 yards is outside the range of the sample data, the slope has no practical interpretation. ii. Since a drive with 0% accuracy is outside the range of the sample data, the slope has no practical interpretation. iii. For each additional yard in distance, the accuracy is estimated to change by the value of the slope. iv. For each additional percentage in accuracy, the distance is estimated to change by the value of the slope.

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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Run the Linear Regression Analysis for the following: → Submit Excel File
The average driving distance (yards) and driving accuracy (percent of drives that land in the
fairway) for 8 golfers are recorded in the table below.
Rank Driving Distance (yards) Driving Accuracy (%)
1 316.3 41.7
2 304.9 48.8
3 310.8 42.3
4 312.5 41.2
5 294.5 54.7
6 290.7 54.4
7 296.9 54.2
8 295.6 53.9
a- Write the equation of a straight-line model relating driving accuracy (y) to driving
distance (x). Select one of the following:
i. Y = β1x + ε
ii. Y = β1x2+ β0
iii. Y = β1x
iv. Y = β0 + β1x + ε
b- Fit the model and give the least square prediction equation

c- Interpret the estimated y-intercept of the line. Choose the correct answer below:
i. Since a drive with 0% accuracy is outside the range of the sample data, the y-intercept
has no practical interpretation.
ii. Since a drive with distance 0 yards is outside the range of the sample data, the y-
intercept has no practical interpretation.
iii. For each additional percentage in accuracy, the distance is estimated to change by the
value of the y-intercept.
iv. For each additional yard in distance, the accuracy is estimated to change by the value
of the y-intercept.
d- Interpret the estimated slope of the line. Choose the correct answer below.
i. Since a drive with distance 0 yards is outside the range of the sample data, the slope
has no practical interpretation.
ii. Since a drive with 0% accuracy is outside the range of the sample data, the slope has
no practical interpretation.
iii. For each additional yard in distance, the accuracy is estimated to change by the value
of the slope.
iv. For each additional percentage in accuracy, the distance is estimated to change by the
value of the slope.

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