(3) The two parts of this question are not related to each other. Answer both parts on one page. (a) This is a cross tabulation of two dummy variables. Total 247 82 | 329 60 633 | 693 Total | 307 715 | 1,022
(3) The two parts of this question are not related to each other. Answer both parts on one page. (a) This is a cross tabulation of two dummy variables. Total 247 82 | 329 60 633 | 693 Total | 307 715 | 1,022
MATLAB: An Introduction with Applications
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Question

Transcribed Image Text:(3)
The two parts of this question are not related to each other. Answer both parts on one page.
(a)
This is a cross tabulation of two dummy variables.
Total
247
82 |
633 |
329
60
693
Total |
307
715 |
1,022
Given that the covariance is 0.14512364, find the coefficient of correlation. Show your work. Answer with a
quantitative analysis.
(b)-
This is a tabulation of a variable recording minutes spent waiting as reported by 84 passengers.
minutes |
Freq.
Percent
Cum.
10
11.90
11.90
.5 |
10.71
22.62
11
13.10
35.71
1.5 |
2.38
38.10
60.71
66.67
22.62
3 |
4 |
5.95
3.57
70.24
14
16.67
86.90
10 |
12.5 |
15 |
7.14
94.05
2.38
96.43
3
3.57
100.00
Total |
84
100.00
Draw an exact box plot with a descriptive axis label and title. Answer with a fully labelled graph.
2952m Lo NM
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