# For this study, why we would want to use Chi-Squared? 1.A study investigating the effects of second-hand smoke in working environments asked the follo

For this study, why we would want to use Chi-Squared?
1.A study investigating the effects of second-hand smoke in working environments asked the following question: “How often do you experience second-hand smoke in a work environment/function? Never, Occasionally, Fairly Often, Very Often, Almost Always.” The question was asked of managers and employees to determine whether there was an association between position and the amount of second-hand smoke exposure.
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Step 1
The chi-square test is generally used for testing relationship between categorical data.
For the described problem we have two categorical variables as, how often do you experience the second-hand smoke work environment (Never, Occasionally, Fairly Often, Very Often, Almost Always) and the position.
Step 2
Thus, to check the association between position and the amount of second-hand smoke exposure chi-squared test is best.
The best way to summarize the data is using the contingency table using appropriate number of rows and columns.