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he following observations are for two quantitative variables, x and y. Observation x y 1 28 72 2 17 99 3 52 58 4 79 34 5 37 60 6 71 22 7 37 77 8 27 85 9 64 45 10 53 47  Observation x y 11 13 98 12 84 21 13 59 32 14 17 81 15 70 34 16 47 64 17 35 68 18 62 67 19 30 39 20 43 28 (a) Develop a crosstabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10–29, 30–49, and so on; for y use classes of 40–59, 60–79, and so on.   y Grand Total 20–39 40–59 60–79 80–99 x 10–29           30–49           50–69           70–90           Grand Total           (b) Compute the row percentages. (Round your answers to one decimal place.)   y Grand Total 20–39 40–59 60–79 80–99 x 10–29           30–49           50–69           70–90           (c) Compute the column percentages. (Round your answers to one decimal place.)   y 20–39 40–59 60–79 80–99 x 10–29         30–49         50–69         70–90         Grand Total

he following observations are for two quantitative variables, x and y. Observation x y 1 28 72 2 17 99 3 52 58 4 79 34 5 37 60 6 71 22 7 37 77 8 27 85 9 64 45 10 53 47  Observation x y 11 13 98 12 84 21 13 59 32 14 17 81 15 70 34 16 47 64 17 35 68 18 62 67 19 30 39 20 43 28 (a) Develop a crosstabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10–29, 30–49, and so on; for y use classes of 40–59, 60–79, and so on.   y Grand Total 20–39 40–59 60–79 80–99 x 10–29           30–49           50–69           70–90           Grand Total           (b) Compute the row percentages. (Round your answers to one decimal place.)   y Grand Total 20–39 40–59 60–79 80–99 x 10–29           30–49           50–69           70–90           (c) Compute the column percentages. (Round your answers to one decimal place.)   y 20–39 40–59 60–79 80–99 x 10–29         30–49         50–69         70–90         Grand Total

MATLAB: An Introduction with Applications
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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Question
The following observations are for two quantitative variables, x and y.
Observation x y
1 28 72
2 17 99
3 52 58
4 79 34
5 37 60
6 71 22
7 37 77
8 27 85
9 64 45
10 53 47
 
Observation x y
11 13 98
12 84 21
13 59 32
14 17 81
15 70 34
16 47 64
17 35 68
18 62 67
19 30 39
20 43 28
(a)
Develop a crosstabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10–29, 30–49, and so on; for y use classes of 40–59, 60–79, and so on.
  y Grand
Total
20–39 40–59 60–79 80–99
x 10–29          
30–49          
50–69          
70–90          
Grand Total          
(b)
Compute the row percentages. (Round your answers to one decimal place.)
  y Grand
Total
20–39 40–59 60–79 80–99
x 10–29          
30–49          
50–69          
70–90          
(c)
Compute the column percentages. (Round your answers to one decimal place.)
  y
20–39 40–59 60–79 80–99
x 10–29        
30–49        
50–69        
70–90        
Grand Total        
 
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