1. It is well known that men tend to weigh more than women, and men tend to be taller than women. The body mass index (BMI) is a measure based on weight and height. Listed below are BMI values from randomly selected men and women. Does there appear to be a difference in variation between the two data sets? Justify your answer by calculating necessary statistical measures.

Men: 23.8 23.2 24.6 26.2 23.5 24.5 21.5 31.4 26.4 22.7 27.8 28.1

Women: 19.6 23.8 19.6 29.1 25.2 21.4 22.0 27.5 33.5 20.6 29.9 17.7