Page 125 - Numeracy

STATISTICS

TARGET 16C - MEAN

M+E+A+N Mean = Total of items

4 Number of items

Example
Find the mean of the following: 1, 4, 5, 3, 2, 6, 7

1 + 4 + 5 + 3 + 2 + 6 + 7 = 28 (Total of items)

7 (Number of items)
= 4

For questions 1 to 4, find the mean of the numbers.

1) 6, 10, 4, 8 Mean = _______

2) 3, 6, 1, 5, 10 Mean = _______

3) 9, 4, 12, 15 Mean = _______

4) 26, 31, 42, 10, 1 Mean = _______

5) James recorded the shoe size of his friends.

Work out the mean shoe size.

7, 8, 6, 10, 11, 8, 6

Mean shoe size = _______

6) Peter’s football team has played 10 matches. They scored the
following number of goals:

3, 2, 1, 0, 2, 1, 5, 0, 3, 1

What is the mean number of goals scored each match?

Mean = ___ goals

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