### Classify variable in model as quantitative or qualitative

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Winning marathon times. Chance (Winter 2000) published a study of men's and women's winning times in the Boston Marathon.

The researchers built a model for predicting winning time (y) of the marathon as a function of year (x1) in which the race is run and gender (x2) of the winning runner. Classify each variable in the model as quantitative or qualitative.

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