The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regressi equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins (c) x = 19 wins (d) x = 15 wins (b)x= 10 wins Click the icon to view the table of numbers of wins and earned run average. The equation of the regression line is y=x+ (Round to two decimal places as needed.) Construct a scatter plot of the data and draw the regression line. Choose the correct graph below. OA. B. C. D. AERA AERA Q AERA 6+ Q 6- Q 6- 6- 4 4- 4- 4- Q 2- 2- 2- 12 18 24 Wins 12 18 Wins 12 18 Wins Wins (a) Predict the ERA for 5 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. = (Round to two decimal places as needed.) OB. It is not meaningful to predict this value of y because x = 5 is well outside the range of the original data. OC. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data. (b) Predict the ERA for 10 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. X Wins and ERA box within your choice. OA. (Round to two decimal places as OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of (c) Predict the ERA for 19 wins, if it is meaningful OA. = (Round to two decimal places as OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of (d) Predict the ERA for 15 wins, if it is meaningful Earned run average, y Wins, x 20 2.77 18 3.27 17 2.55 16 3.82 box within your choice. 14 3.85 12 4.23 11 OA.ŷ= (Round to two decimal places as OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of 3.72 9 5.12 Print من Done AERA my 12 18

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
The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball
pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression
equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not.
(a) x = 5 wins
(c) x = 19 wins (d) x = 15 wins
(b)x= 10 wins
Click the icon to view the table of numbers of wins and earned run average.
C
The equation of the regression line is y=x+
(Round to two decimal places as needed.)
Construct a scatter plot of the data and draw the regression line. Choose the correct graph below.
O A.
O B.
O C.
D.
AERA
Q
AERA
Q
AERA
6-
Q
Q
W
4-
2-
G
12 18 24
6 12 18 24
6 12
12 18 24
Wins
6 12 18 24
Wins
Wins
Wins
(a) Predict the ERA for 5 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
OA. = (Round to two decimal places as needed.)
OB. It is not meaningful to predict this value of y because x = 5 is well outside the range of the original data.
OC. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data.
(b) Predict the ERA for 10 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
- X
OA. y (Round to two decimal places as r
OB. It is not meaningful to predict this value of
OC. It is not meaningful to predict this value of
Wins and ERA
(c) Predict the ERA for 19 wins, if it is meaningful
r box within your choice.
Wins, x
20
OA. ŷ=
(Round to two decimal places as r
OB. It is not meaningful to predict this value of
OC. It is not meaningful to predict this value of
(d) Predict the ERA for 15 wins, if it is meaningful
18
17
16
r box within your choice.
14
O A. y =
(Round to two decimal places as
12
11
9
OB. It is not meaningful to predict this value of
OC. It is not meaningful to predict this value of
Print
6-
4-
2-
6-
4-
Earned
run average,
y
2.77
3.27
2.55
3.82
3.85
4.23
3.72
5.12
Done
D
AERA
6-
4-
6
V
Transcribed Image Text:The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins (c) x = 19 wins (d) x = 15 wins (b)x= 10 wins Click the icon to view the table of numbers of wins and earned run average. C The equation of the regression line is y=x+ (Round to two decimal places as needed.) Construct a scatter plot of the data and draw the regression line. Choose the correct graph below. O A. O B. O C. D. AERA Q AERA Q AERA 6- Q Q W 4- 2- G 12 18 24 6 12 18 24 6 12 12 18 24 Wins 6 12 18 24 Wins Wins Wins (a) Predict the ERA for 5 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. = (Round to two decimal places as needed.) OB. It is not meaningful to predict this value of y because x = 5 is well outside the range of the original data. OC. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data. (b) Predict the ERA for 10 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. - X OA. y (Round to two decimal places as r OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of Wins and ERA (c) Predict the ERA for 19 wins, if it is meaningful r box within your choice. Wins, x 20 OA. ŷ= (Round to two decimal places as r OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of (d) Predict the ERA for 15 wins, if it is meaningful 18 17 16 r box within your choice. 14 O A. y = (Round to two decimal places as 12 11 9 OB. It is not meaningful to predict this value of OC. It is not meaningful to predict this value of Print 6- 4- 2- 6- 4- Earned run average, y 2.77 3.27 2.55 3.82 3.85 4.23 3.72 5.12 Done D AERA 6- 4- 6 V
The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball
pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression
equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not.
(a) x = 5 wins
(c) x = 19 wins (d) x = 15 wins
(b)x= 10 wins
Click the icon to view the table of numbers of wins and earned run average.
..
The equation of the regression line is y=x+
X+
(Round to two decimal places as needed.)
Construct a scatter plot of the data and draw the regression line. Choose the correct graph below.
OA.
B.
O C.
O D.
AERA
AERA
6+
Q
AERA
6+
4-
4-
2-
2-
0-
6 12 18 24
0
12 18 24
6 12 18 24
Wins
12 18 24
Wins
Wins
Wins
(a) Predict the ERA for 5 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
A.
(Round to two decimal places as needed.)
OB. It is not meaningful to predict this value of y because x = 5 is well outside the range of the original data.
OC. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data.
(b) Predict the ERA for 10 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
OA. =
(Round to two decimal places as needed.)
OB. It is not meaningful to predict this value of y because x = 10 is not an x-value in the original data.
OC. It is not meaningful to predict this value of y because x = 10 is inside the range of the original data.
(c) Predict the ERA for 19 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
OA. ŷ=
=
(Round to two decimal places as needed.).
OB. It is not meaningful to predict this value of y because x = 19 is not an x-value in the original data.
OC. It is not meaningful to predict this value of y because x = 19 is well outside the range of the original data.
(d) Predict the ERA for 15 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice.
OA. ý
(Round to two decimal places as needed.)
OB. It is not meaningful to predict this value of y because x = 15 is not an x-value in the original data.
OC. It is not meaningful to predict this value of y because x = 15 is inside the range of the original data.
6-
4-
2-
Q
AERA
6+
4-
2-
6
w
Transcribed Image Text:The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins (c) x = 19 wins (d) x = 15 wins (b)x= 10 wins Click the icon to view the table of numbers of wins and earned run average. .. The equation of the regression line is y=x+ X+ (Round to two decimal places as needed.) Construct a scatter plot of the data and draw the regression line. Choose the correct graph below. OA. B. O C. O D. AERA AERA 6+ Q AERA 6+ 4- 4- 2- 2- 0- 6 12 18 24 0 12 18 24 6 12 18 24 Wins 12 18 24 Wins Wins Wins (a) Predict the ERA for 5 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. A. (Round to two decimal places as needed.) OB. It is not meaningful to predict this value of y because x = 5 is well outside the range of the original data. OC. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data. (b) Predict the ERA for 10 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. = (Round to two decimal places as needed.) OB. It is not meaningful to predict this value of y because x = 10 is not an x-value in the original data. OC. It is not meaningful to predict this value of y because x = 10 is inside the range of the original data. (c) Predict the ERA for 19 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. ŷ= = (Round to two decimal places as needed.). OB. It is not meaningful to predict this value of y because x = 19 is not an x-value in the original data. OC. It is not meaningful to predict this value of y because x = 19 is well outside the range of the original data. (d) Predict the ERA for 15 wins, if it is meaningful. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. ý (Round to two decimal places as needed.) OB. It is not meaningful to predict this value of y because x = 15 is not an x-value in the original data. OC. It is not meaningful to predict this value of y because x = 15 is inside the range of the original data. 6- 4- 2- Q AERA 6+ 4- 2- 6 w
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