The accompanying data gives the high and low temperatures in January for a random sample of 50 cities. a. Decide whether use of the linear correlation coefficient as a descriptive measure for the data is appropriate. b. If appropriate, obtain the linear correlation coefficient. c. If appropriate, interpret the value of r in terms of the linear relationship between the two variables. E Click the icon to view the High and Low data values. a. The linear correlation coefficient as a descriptive measure for the data V appropriate because the data points appear to be scattered about a line. b. Select the correct choice and, if necessary, fill in the answer box to complete your choice. O A. The linear correlation coefficient is the data points appear to be scattered about a curve. (Round to three decimal places as needed.) O B. The linear correlation coefficient as a descriptive measure for the data is not appropri the data points appear to be scattered about a line. c. Choose the correct answer below. the data points do not appear to be scattered about a line. A. There appears to be a strong negative linear association between the two variables. the data points do not appear to be scattered about a curve. O B. There appears to be a weak positive linear association between the two variables. O C. There appears to be a weak negative linear association between the two variables. O D. There appears to be a strong positive linear association between the two variables. O E. The linear correlation c High and Low data High Low High Low (x) (y) (x) (y) 34 22 39 28 31 22 57 41 91 74 60 46 88 71 64 51 67 55 86 79 64 45 36 23
The accompanying data gives the high and low temperatures in January for a random sample of 50 cities. a. Decide whether use of the linear correlation coefficient as a descriptive measure for the data is appropriate. b. If appropriate, obtain the linear correlation coefficient. c. If appropriate, interpret the value of r in terms of the linear relationship between the two variables. E Click the icon to view the High and Low data values. a. The linear correlation coefficient as a descriptive measure for the data V appropriate because the data points appear to be scattered about a line. b. Select the correct choice and, if necessary, fill in the answer box to complete your choice. O A. The linear correlation coefficient is the data points appear to be scattered about a curve. (Round to three decimal places as needed.) O B. The linear correlation coefficient as a descriptive measure for the data is not appropri the data points appear to be scattered about a line. c. Choose the correct answer below. the data points do not appear to be scattered about a line. A. There appears to be a strong negative linear association between the two variables. the data points do not appear to be scattered about a curve. O B. There appears to be a weak positive linear association between the two variables. O C. There appears to be a weak negative linear association between the two variables. O D. There appears to be a strong positive linear association between the two variables. O E. The linear correlation c High and Low data High Low High Low (x) (y) (x) (y) 34 22 39 28 31 22 57 41 91 74 60 46 88 71 64 51 67 55 86 79 64 45 36 23
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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Transcribed Image Text:The accompanying data gives the high and low temperatures in January for a random sample of 50 cities.
a. Decide whether use of the linear correlation coefficient as a descriptive measure for the data is appropriate.
b. If appropriate, obtain the linear correlation coefficient.
c. If appropriate, interpret the value of r in terms of the linear relationship between the two variables.
E Click the icon to view the High and Low data values.
.....
a. The linear correlation coefficient as a descriptive measure for the data
appropriate because the data points appear to be scattered about a line.
b. Select the correct choice and, if necessary, fill in the answer box to complete your choice.
A. The linear correlation coefficient is
the data points appear to be scattered about a curve.
(Round to three decimal places as needed.)
B. The linear correlation coefficient as a descriptive measure for the data is not appropri
the data points appear to be scattered about a line.
c. Choose the correct answer below.
the data points do not appear to be scattered about a line.
A. There appears to be a strong negative linear association between the two variables.
the data points do not appear to be scattered about a curve.
B. There appears to be a weak positive linear association between the two variables.
C. There appears to be a weak negative linear association between the two variables.
D. There appears to be a strong positive linear association between the two variables.
E. The linear correlation c
High and Low data
High
Low
High
Low
(x)
(y)
(x)
(y)
34
22
39
28
31
22
57
41
91
74
60
46
88
71
64
51
67
55
86
79
64
45
36
23
67
45
82
68
58
41
43
34
43
33
52
41
32
21
65
48
24
18
33
24
58
45
55
42
44
36
58
52
39
33
33
25
71
45
85
78
86
73
28
15
81
76
42
34
54
38
46
39
87
71
78
64
87
74
26
9
46
37
33
29
56
49
45
40
38
26
83
69
77
64
44
34
87
65
46
36
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