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Hypothesis Testing using Chi Square Test

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One hundred people selected at random from various levels of management were interviewed regarding their concern about environmental issues. The response of each person was tallied into one of three categories: no concern, some concern, and great concern. The results were as follows:

Level of Concern

None Some Great Total
Top 1 12 7 20
Level of Management Middle 40 30 10 80
Total 41 42 17 100

At the 0.01 level of significance, is there a relationship between level of management and level of concern? Formulate and test the appropriate hypothesis.

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Uses Chi square test to test the hypothesis that there a relationship between level of management and level of concern.

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