ls there evidence, at 5% level, that the choice of Phone Company is independent of the type of worker?
ls there evidence, at 5% level, that the choice of Phone Company is independent of the type of worker?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.1: Exponents
Problem 33WE
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Question
A survey among the workers in a large manufacturing company was taken, in order to find
out from which company the workers had purchased their mobile phones, and to find out
whether the choice of mobile phone company was related to the type of worker. The results
are shown in the table below.
ls there evidence, at 5% level, that the choice of Phone Company is independent of the type of
worker?
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