A group of men and women between the ages of 25 and 35 were asked "How many hours did you work last week?" The summary statistics from the study are presented below. Determine whether there is a significant difference between men and women in the mean number of hours they work each week.

Hours Gender Mean Std. Deviation Worked Last Male 142 47 .79 11.80 Week Female 119 39.13 13.99