In a market survey conducted to examine whether the choice of a brand is related to the income levels of the consumers, a random sample of 400 consumers reveal the following: Brand 1 Brand 2 Brand 3 Total Income level (per month) <20000 93 72 75 240 20000-50000 50 35 37 122 >50000 12 15 11 38 Total 155 122 123 400 Test the association between income level and brand preference at 5% significant level.
In a market survey conducted to examine whether the choice of a brand is related to the income levels of the consumers, a random sample of 400 consumers reveal the following: Brand 1 Brand 2 Brand 3 Total Income level (per month) <20000 93 72 75 240 20000-50000 50 35 37 122 >50000 12 15 11 38 Total 155 122 123 400 Test the association between income level and brand preference at 5% significant level.
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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Transcribed Image Text:In a market survey conducted to examine whether the choice of a brand is related to the income levels
of the consumers, a random sample of 400 consumers reveal the following:
Brand 1
Brand 2
Brand 3
Total
Income level (per month)
<20000
93
72
75
240
20000-50000
50
35
37
122
>50000
12
15
11
38
Total
155
122
123
400
Test the association between income level and brand preference at 5% significant level.
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