1MA0 Higher March 2013 Paper 2 Q18

EdexcelHigherOld spec5 marksBox Plots

18 Here are the times, in seconds, that 15 people waited to be served at Rose’s garden centre.

5 9 11 14 15 20 22 25 27 27 28 30 32 35 44

(a) On the grid, draw a box plot for this information.

Empty grid with a time axis from 0 to 60 seconds

(3)

The box plot below shows the distribution of the times that people waited to be served at Green’s garden centre.

Box plot for Green’s garden centre on a time axis from 0 to 60 seconds

(b) Compare the distribution of the times that people waited at Rose’s garden centre and the distribution of the times that people waited at Green’s garden centre. (2)

Mark scheme (a)

Working	Answer	Mark	Notes
minimum = 5 lower quartile = 14 median = 25 upper quartile = 30 maximum = 44	box plot	3	B3 for fully correct box plot (B2 for at least 3 correct values plotted including box and tails or 5 correct values indicated) (B1 for at least 2 correct values plotted including box or tails or 3 or 4 correct values indicated)