Higher June 2017 Paper 4 Q8

OCRHigherCurrent spec4 marksTime-Series

8 The table shows the average number of customers per day entering a shop.

	2015				2016
Months	Jan-Mar	Apr-Jun	July-Sep	Oct-Dec	Jan-Mar	Apr-Jun	July-Sep	Oct-Dec
Average number of customers per day	119	264	368	172	130	304	381	192

(a) Complete the time series graph below. [2]

(b) Make two different comments comparing the number of customers entering the shop in 2015 and 2016. [2]

Answer	Marks	Part marks and guidance
4 points accurately plotted	2	B1 for 2 or 3 points accurately plotted	condone missing or incorrect lines

Mark scheme (b)

Answer	Marks	Part marks and guidance
Here are 4 different categories , Compares the number of people in the whole of 2015 to the whole of 2016 (e.g. there were more people shopping in 2016) Compares same seasons in 2015 with seasons in 2016 (e.g there were more in Jul–Sept 2016 than in 2015) Compares seasons within the same year (e.g in 2016 there were more customers in the summer months) Compares increases / decreases in the number of customers, referring to gradients (e.g the biggest change was between Jul–Sept and Oct-Dec) Do not allow comparisons that only refer to the shape of the graph ( e.g, it goes up and down again or it peaks in Jul–Sept) 1 mark for each acceptable comment - for 2 marks they must come from different categories	2	B1 for 1 correct comment	If they make 3 comments mark the best 2. It is possible to cover 2 categories in one comment for 2 marks