The Canadian Real Estate Association reported in a recent year that the median price of a single-family home in Calgary is $380,737 and the median price of a single-family home in Halifax is $282,499. Suppose a survey of 13 randomly selected single-family homes is taken in Calgary and a survey of 15 randomly selected single-family homes is taken in Halifax, with the resulting prices shown here. Use a Mann-Whitney U test to determine whether there is a significant difference in the price of a single-family home in these two cities. Let α = 0.05.

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Calgary $374,157 378,057 375,062 377,016 375,940 376,981 380,479 380,102 379,638 381,861 381,408 372,405 381,730 Halifax $283,947 274,127 275,238 277,359 280,031 279,114 282,012 284,500 276,419 277,867 277,741 274,514 282,136 276,333 283,968