1. Frequency Polygon Example The table below represents the marks obtained by children in an examination Mark 1 – 10 11 – 20 21 – 30 31 – 40 41 – 50 51 – 60 61 – 70 71 – 80 81 – 90 91 – 100 Frequency1361314127541 Represent this data on a frequency polygon

2. Example The table below shows the distribution of weekly wages in two small factories a) Draw a frequency polygon to represent the data b) Comment on the results Weekly wage (£) 40- 50 50- 60 60- 70 70- 80 80- 90 90- 100 100- 110 110- 120 120- 130 130- 140 Factory A 137111217201543 Factory B 451016201511951