2. Averages

3. 32. The average age of the oldest starting line-ups in a World Cup game: When Germany played Iran in the 1998 finals in France, the average age was 31 years and 345 days.

4. Mean The sum of all the values divided by the number of values. 7 811 3 7+8+11+3+11= 5 40= 5 8

5. Median The median is the middle value when they are arranged in size order. 7 811 3 37 811 11

6. Mode The mode is the most common value 7 811 3 37 811 11

7. Range The range is difference between the highest and lowest value. 7 811 3 11 – 3 =8

8. Find the mean, median and mode ages of the team and the range MEAN The sum of all the values divided by the number of values. MEDIAN The middle value when they are arranged in size order. MODE The most common value. RANGE The difference between the highest and lowest values.