7. A survey among the workers in a large manufacturing company was taken, in order to find out from which company the workers had purchased their mobile phones, and to find out whether the choice of mobile phone company was related to the type of worker. The results are shown in the table below. Company of mobile phone Туре of Pink Green Blue Yellow Total workers Executive 15 6. 33 Middle 21 25 8. 8. 62 management Secretarial 33 36 11 85 Labourer 40 29 12 8 89 Total 109 96 37 27 269 Is there evidence, at 5% level, that the choice of Phone Company is independent of the type of worker?
7. A survey among the workers in a large manufacturing company was taken, in order to find out from which company the workers had purchased their mobile phones, and to find out whether the choice of mobile phone company was related to the type of worker. The results are shown in the table below. Company of mobile phone Туре of Pink Green Blue Yellow Total workers Executive 15 6. 33 Middle 21 25 8. 8. 62 management Secretarial 33 36 11 85 Labourer 40 29 12 8 89 Total 109 96 37 27 269 Is there evidence, at 5% level, that the choice of Phone Company is independent of the type of worker?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Hello, below find a question based on probability and statistics, and please do a deep working because i am weak at this and kindly provide the correct answer with correct values, thanks in advance
Transcribed Image Text:7. A survey among the workers in a large manufacturing company was taken, in order to find
out from which company the workers had purchased their mobile phones, and to find out
whether the choice of mobile phone company was related to the type of worker. The results
are shown in the table below.
Company of mobile phone
Туре of
Pink
Green
Blue
Yellow
Total
workers
Executive
15
6.
6.
6.
33
Middle
21
8
8
62
management
Secretarial
33
36
11
5
85
Labourer
40
29
12
8
89
Total
109
96
37
27
269
Is there evidence, at 5% level, that the choice of Phone Company is independent of the type of
worker?
25
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