8400 fans go to a rugby match.
6850 of the fans support the Home team.
The remaining fans support the Away team.
20% of the Home fans wear a scarf.
2319 of all the fans wear a scarf.

Complete the frequency tree.

Let's fill in the frequency tree step-by-step. 1. **Number of Away fans:** Total fans = 8400 Home fans = 6850 Away fans = Total fans - Home fans = 8400 - 6850 = **1550** 2. **Home fans wearing a scarf (Yes):** 20% of Home fans wear a scarf. Number = 20% of 6850 = 0.20 × 6850 = **1370** 3. **Home fans not wearing a scarf (No):** Total Home fans = 6850 Home fans with scarf = 1370 Home fans with no scarf = 6850 - 1370 = **5480** 4. **Away fans wearing a scarf (Yes):** Total fans with scarf = 2319 Home fans with scarf = 1370 Away fans with scarf = Total fans with scarf - Home fans with scarf = 2319 - 1370 = **949** 5. **Away fans not wearing a scarf (No):** Total Away fans = 1550 Away fans with scarf = 949 Away fans with no scarf = 1550 - 949 = **601** **Summary of values to fill in:** - Away fans: **1550** - Home fans, Scarf Yes: **1370** - Home fans, Scarf No: **5480** - Away fans, Scarf Yes: **949** - Away fans, Scarf No: **601**