Page 11 - The Content_Neat
P. 11
The median
1 The masses of eleven men in a local rugby team are shown below.
81 kg, 85 kg, 82 kg, 71 kg, 62 kg, 63 kg, 62 kg, 64 kg, 70 kg, 87 kg, 74 kg
a Find the median of their weights.
b Find the mode of their weights.
2 The bar chart shows the scores
obtained in 20 throws of a dice.
a Write down the modal score.
b Find the median score. Remember
you must take into account all the
scores.
3 Look at this list of numbers.
3 9 10 15 19 11 14 14 3 4 7
a Add four numbers to the list to make the median 11.
b What is the least number of numbers to add to make the median 8.
6 Explain why the median is not a good average to use in this set of masses.
5 g 7 g 10 g 200 g 4 kg
10
