MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A manufactures of LED sets was trying to find out what variables influenced
the purcnase of a LED set. Level of income was suggested as possible variable influencing
the purchase of LED sets. A sample of 500 households was selected and the information
obtained is classified as shown below :
Have LED set
Do not have LED set
Low income group
0.
250
Middle income group
50
100
80
20
High income group
Is there evidence from the above data of a relation ownership of LED sets and level of income ?
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Transcribed Image Text:A manufactures of LED sets was trying to find out what variables influenced the purcnase of a LED set. Level of income was suggested as possible variable influencing the purchase of LED sets. A sample of 500 households was selected and the information obtained is classified as shown below : Have LED set Do not have LED set Low income group 0. 250 Middle income group 50 100 80 20 High income group Is there evidence from the above data of a relation ownership of LED sets and level of income ?
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