Commute Time (in minutes) Well-Being Score 6 69.2 17 68.1 26 67.8 37 67.3 48 66.6 72 66.5 95 63.6
Commute Time (in minutes) Well-Being Score 6 69.2 17 68.1 26 67.8 37 67.3 48 66.6 72 66.5 95 63.6
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
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below.
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a) Which variable is likely the explanatory variable and which is the response variable?
Critical Values for Correlation Coefficient
|
n
|
|
|---|---|
|
3
|
0.997
|
|
4
|
0.950
|
|
5
|
0.878
|
|
6
|
0.811
|
|
7
|
0.754
|
|
8
|
0.707
|
|
9
|
0.666
|
|
10
|
0.632
|
|
11
|
0.602
|
|
12
|
0.576
|
|
13
|
0.553
|
|
14
|
0.532
|
|
15
|
0.514
|
|
16
|
0.497
|
|
17
|
0.482
|
|
18
|
0.468
|
|
19
|
0.456
|
|
20
|
0.444
|
|
21
|
0.433
|
|
22
|
0.423
|
|
23
|
0.413
|
|
24
|
0.404
|
|
25
|
0.396
|
|
26
|
0.388
|
|
27
|
0.381
|
|
28
|
0.374
|
|
29
|
0.367
|
|
30
|
0.361
|
|
n
|
(a) Which variable is likely the explanatory variable and which is the response variable?
The explanatory variable is commute time and the response variable is the well-being score because well-being score affects the commute time score.
The explanatory variable is the well-being score and the response variable is commute time because well-being score affects the commute time.
The explanatory variable is commute time and the response variable is the well-being score because commute time affects the well-being score.
The explanatory variable is the well-being score and the response variable is commute time because commute time affects the well-being score.
Part 2
(b) Draw a
(c) Determine the linear correlation coefficient between commute time and well-being score.
requals=
Transcribed Image Text:Commute Time
(in minutes)
Well-Being
Score
6
69.2
17
68.1
26
67.8
37
67.3
48
66.6
72
66.5
95
63.6
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