ecause the correlation coefficient is positive/negative and the absolute value of the correlation coefficient, enter your response here #, is greater/not greater than the critical value for this data set,enter your response here #, no/a negative/a positive linear relation exists between the weight of a car and its miles per gallon.
ecause the correlation coefficient is positive/negative and the absolute value of the correlation coefficient, enter your response here #, is greater/not greater than the critical value for this data set,enter your response here #, no/a negative/a positive linear relation exists between the weight of a car and its miles per gallon.
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
Because the
and the absolute value of the correlation coefficient,
enter your response here #, is greater/not greater than the critical value for this data set,enter your response here #, no/a negative/a positive linear relation exists between the weight of a car and its miles per gallon.
Critical value table
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
Transcribed Image Text:An engineer wanted to determine how the weight of a car affects gas mileage. The
following data represent the weight of various cars and their gas mileage. Complete parts
(a) through (d).
Car
A
с
D
E
Weight
(pounds)
3680
3310
3000
3590
2580
Miles per
Gallon
19
19
22
18
27
Click the icon to view the critical values table.
O C.
4000
2500-
15
.
mpg
Q
G
O D.
r -0.945
(Round to three decimal places as needed.)
2500 4000
Weight (lbs)
(c) Compute the linear correlation coefficient between the weight of a car and
its miles per gallon.
Because the correlation coefficient is
correlation coefficient, is
Q
G
(d) Comment on the type of relation that appears to exist between the weight of
a car and its miles per gallon based on the scatter diagram and the linear
correlation coefficient.
set,
miles per gallon.
(Round to three decimal places as needed.)
and the absolute value of the
than the critical value for this data
✓linear relation exists between the weight of a car and its
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