A class of 16 boys and 13 girls did a Physics test. The test was marked out of 60. Their marks are shown below. Boys Girls 45 54 32 60 26 54 47 32 28 34 54 56 34 34 45 46 32 29 47 48 39 52 24 28 44 45 56 57 33 a Draw a back-to-back stem and leaf diagram to represent these data. b Comment on your results.

AppendixLO1