The marketing department of ABC Ltd is interested in assessing whether those people  who currently buy cars from a rival do so because they view ABC’s cars as being of poor  quality. In carrying out a survey, the marketing department asked 200 people two  questions. Firstly, have you purchased a car from ABC in the last month? Secondly, which  of the following best describes your view of the quality of cars sold by ABC? The responses  to these questions are shown in the Table below. Is there evidence of an association between customers’ purchasing behaviour and their perception of the quality of cars sold by ABC Ltd? Explain your results in terms that would be comprehensible to a manager with little knowledge of statistics.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 28E
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The marketing department of ABC Ltd is interested in assessing whether those people

 who currently buy cars from a rival do so because they view ABC’s cars as being of poor

 quality. In carrying out a survey, the marketing department asked 200 people two

 questions. Firstly, have you purchased a car from ABC in the last month? Secondly, which

 of the following best describes your view of the quality of cars sold by ABC? The responses

 to these questions are shown in the Table below.

Is there evidence of an association between customers’ purchasing behaviour and their perception of the quality of cars sold by ABC Ltd? Explain your results in terms that would be comprehensible to a manager with little knowledge of statistics.

 

Perception of Quality Whether car purchased from ABC
Yes
No
Total
Еxcellent
23
7
30
Good
25
15
40
Average
30
40
70
Рor
17
23
40
Very Poor
2
18
20
Total
97
103
200
Transcribed Image Text:Perception of Quality Whether car purchased from ABC Yes No Total Еxcellent 23 7 30 Good 25 15 40 Average 30 40 70 Рor 17 23 40 Very Poor 2 18 20 Total 97 103 200
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