Information on job history using a chi square test

Reference no: EM131396859

Workers were classified as having no (n = 949), mild (n = 44), moderate (n = 13), or severe heart failure (n = 1).

Researchers want to compare these results with information on job history using a chi-square test. What do you suggest they do first before performing a chi-square test?

Reference no: EM131396859

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