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: Income level (per month) Brand 1 Brand 2 Brand 3 Total <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: Income level (per month) Brand 1 Brand 2 Brand 3 Total <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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Question
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:
|
Income level (per month) |
Brand 1 |
Brand 2 |
Brand 3 |
Total |
|
<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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