Three hundred households are selected at random and divided into three groups A, B and C according to their monthly income. The table below shows the number of households in each group having LED and LCD televisions. We wish to know if we may conclude, on the basis of these data, the type of televisions represent by the samples are not homogeneous with respect to their monthly income. Let α = 0.01.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Three hundred households are selected at random and divided into three groups A, B and C according to their monthly income. The table below shows the number of households in each group having LED and LCD televisions. We wish to know if we may conclude, on the basis of these data, the type of televisions represent by the samples are not homogeneous with respect to their monthly income. Let α = 0.01.

 

Type of
televisions
LED
LCD
Group
A
120
50
B
20
40
с
20
50
Transcribed Image Text:Type of televisions LED LCD Group A 120 50 B 20 40 с 20 50
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