St Catharines-Niagara, Kitchener- Cambridge-Waterloo. Brantford, Guelph, London, and Windsor are relatively small cities in Southwest Ontario. Because

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St Catharine’s-Niagara, Kitchener- Cambridge-Waterloo. Brantford, Guelph, London, and Windsor are relatively small cities in Southwest Ontario. Because of their size the expectation is that the time it takes to get from home to work would not be large. To examine the issue a statistics practitioner took random samples of workers who commute in each city and determined their commute times. (Source: Adapted from Statistics Canada: Commuting to Work)

a. Is there sufficient evidence to conclude that the times differ between the six cities?

b. If differences exist use Tukey’s method to determine which means differ.

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