The human resources manager of a large chemical plant was interested in determining what factors might be related to the number of non-vacation days that workers were absent during the past year. One of the factors that the manager considered was the distance that the person commutes to work, wondering if longer commutes resulting in such things as stress on the worker and/or increases in the likelihood of transportation failure might result in more worker absences. The manager studied company records, randomly selected 532 plant workers and recorded the number of non-vacation days that the workers were absent last year and how far their place of residence is from the plant. The manager then recoded the raw data in categories and created the cross-tabulation table just shown. Study the table and comment on any relationship that may exist between distance to the plant and number ofabsences.

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One-Way Commute Distance (in miles) 4-10 184 40 7 0-3 95 21 More than 10 Number of Annual Non-Vacation-Day Absences 0-2 3-5 more than 5 53 12