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Mathematics, 03.01.2020 00:31 richardnichol1111

The wall street journal corporate perceptions study 2011 surveyed readers and asked how each rated the quality of management and the reputation of the company for over 250 world-wide corporations. both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. assume the sample data for 200 respondents below applies to this study.

col1 quality of management excellent good fair
col2 excellent 40 35 25
col3 good 25 35 10
col4 fair 5 10 15

use a .05 level of significance and test for independence of the quality of management and the reputation of the company.
compute the value of the 2 test statistic (to 2 decimals).
the p-value is
what is your conclusion?
b. if there is a dependence or association between the two ratings, discuss and use probabilities to justify your answer.

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