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for all individuals and for smokers.   i) Out of all female individuals, calculate the proportion of those who are smokers.   ii) Similarly, calculate the proportion of the males who smoke.   iii) Comment on these two proportions calculated in parts (i) and (ii)

for all individuals and for smokers.   i) Out of all female individuals, calculate the proportion of those who are smokers.   ii) Similarly, calculate the proportion of the males who smoke.   iii) Comment on these two proportions calculated in parts (i) and (ii)

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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a) Exhibit 4 and Exhibit 5 give the frequency distribution tables for the gross income group and gender for all individuals and for smokers.
 
i) Out of all female individuals, calculate the proportion of those who are smokers.

 

ii) Similarly, calculate the proportion of the males who smoke.

 

iii) Comment on these two proportions calculated in parts (i) and (ii)  
Smoke: Count of smoke gross income Under 2.600 2,600 to 5,200 5,200 to 10,400 10,400 to 15,600 15,600 to 20,800 20,800 to 28,600 28,600 to 36,400 Above 36,400 Grand Total Exhibit 4 (All) gender Female Male 111 22 196 61 254 142 153 115 85 103 51 104 24 55 13 76 887 678 Grand Total 133 257 396 268 188 155 79 89 1565 Smoke: Count of smoke gender gross income Under 2,600 2,600 to 5,200 5,200 to 10,400 Exhibit 5 Yes 10,400 to 15,600 15,600 to 20,800 20,800 to 28,600 28,600 to 36,400 Above 36,400 Grand Total Female Male 25 46 70 47 18 11 41 1 222 11 18 37 36 27 27 5 14 175 Grand Total 36 64 107 83 45 38 9 15 397
Transcribed Image Text:Smoke: Count of smoke gross income Under 2.600 2,600 to 5,200 5,200 to 10,400 10,400 to 15,600 15,600 to 20,800 20,800 to 28,600 28,600 to 36,400 Above 36,400 Grand Total Exhibit 4 (All) gender Female Male 111 22 196 61 254 142 153 115 85 103 51 104 24 55 13 76 887 678 Grand Total 133 257 396 268 188 155 79 89 1565 Smoke: Count of smoke gender gross income Under 2,600 2,600 to 5,200 5,200 to 10,400 Exhibit 5 Yes 10,400 to 15,600 15,600 to 20,800 20,800 to 28,600 28,600 to 36,400 Above 36,400 Grand Total Female Male 25 46 70 47 18 11 41 1 222 11 18 37 36 27 27 5 14 175 Grand Total 36 64 107 83 45 38 9 15 397
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Step 1: Mentioning the given data

It is given that Exhibit 4 and Exhibit 5 consist of the frequency distribution tables for the gross income group and gender for all individuals and for smokers.

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