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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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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

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
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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