1.Determine the linear correlation coefficient between speed and distance. ( round to three decimal places as needed). R =
1.Determine the linear correlation coefficient between speed and distance. ( round to three decimal places as needed). R =
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
1.Determine the linear
R =
Transcribed Image Text:Click here to view the baseball data.
Click here to view a table of critical values for the correlation coefficient.
The accompanying data represent the speed at which a ball was hit (in miles per hour) and the distance it traveled (in feet) for a random sample of home runs in a baseball game in 2018. Complete parts (a) through (d)
below.
(a) A researcher wants to determine if the speed with which the ball is hit may be used to predi
O Distance
Speed
(b) Draw a scat
OA.
(ydw) peads
(c) Determine t
(Round to three
Baseball Data
Distance
(feet)
441
427
423
418
415
410
409
406
401
399
395
393
Print
Speed
(mph)
107.7
110.6
103
105.7
105.6
101.6
Part 3 of 4
103.7
100.8
103.5
101.2
100.2
101.3
Done
U
X
Critical Values for Correlation Coefficient
Critical Values for Correlation Coefficient
n
3
4
5
6
7
8
Points: 0.17
9
10
11
12
13
14
15
Print
0.997
0.950
0.878
0.811
0.754
0.707
0.666
0.632
0.602
0.576
0.553
0.532
0.512
Done
4
X
450
et)
✪
17
G
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Follow-up Questions
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Follow-up Question
(d) Does a linear relation exist between the speed at which a ball is hit and the distance the ball travels?
The variables speed at which the ball is hit and the distance the ball travels are
positively associated because r is positive and the absolute value of the correlation coefficient is
greater than the critical value ( )
(Round to three decimal places as needed.)
Solution
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