Averages
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.
32.
Mean
• The sum of all the values divided by
the number of values.
7
8
11
7+8+11+3+11 = 40
5
5
3
= 8
11
Median
• The median is the middle value
when they are arranged in size
order.
7
8
11
3 7 8 11 11
3
11
Mode
• The mode is the most common
value
7
8
11
3 7 8 11 11
3
11
Range
• The range is difference between
the highest and lowest value.
7
8
11 – 3
11
=
8
3
11
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.
England World Cup Team 1998
• http://www.englandfootballonline.
com/cmpwc/CmpWC1998Squad.ht
ml OR data sheet
• Calculate Mean, Mode, Median and
Range for the England Squad of
1998 …
•
•
•
•
Mean = 26yrs 66days (26.18yrs)
Mode = 31yrs
Median = 29yrs
Range = 16yrs