17 Some girls did a sponsored swim to raise money for charity.
The table shows information about the amounts of money (£) the girls raised.
Least amount of money (£)
10
Greatest amount of money (£)
45
Median
25
Lower quartile
16
Upper quartile
42
(a) On the grid, draw a box plot for the information in the table.(2)
Some boys also did the sponsored swim. The box plot shows information about the amounts of money (£) the boys raised.
(b) Compare the amounts of money the girls raised with the amounts of money the boys raised. (2)
Mark scheme (a)
Answer
Mark
Notes
Box plot overlay
2
M1 for a box drawn with at least 2 correct points from LQ, Med and UQ A1 for a fully correct box plot
Mark scheme (b)
Answer
Mark
Notes
Comparison of a measure of spread plus a comparison of medians (in context)
2
B1 for a correct comparison of a measure of spread (using either range or iqr) B1 for a correct comparison of medians For the award of both marks at least one of the comparisons made must be in the context of the question.
