The National Association of Realtors reports that the median price of an existing single-family home in Denver, Colorado, is $225,100 and the median price of an existing single-family home in Hartford, Connecticut, is $233,700.Suppose a survey of 13 randomly selected single-family homes is taken in Denver and a survey of 15 randomly selected single-family homes is taken in Hartford 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 = .05.
Denver .... Hartford
$234,157 .... $243,947
238,057 .... 234,127
235,062 .... 235,238
237,016 .... 237,359
235,940 .... 240,031
236,981 .... 239,114
240,479 .... 242,012
240,102 .... 244,500
239,638 .... 236,419
241,861 .... 237,867
241,408 .... 237,741
232,405 .... 234,514
241,730 .... 242,136
236,333
243,968