Foundation November 2023 Paper 3 Q21

OCRFoundationCurrent spec3 marksTime-Series

21 The graph shows the value of sunscreen products sold in a shop for each quarter from quarter 1 of 2021 to quarter 4 of 2023.

Time-series graph of value of sales (pounds, 0 to 6000) by year and quarter. 2021: Q1 2100, Q2 1300, Q3 3600, Q4 2500. 2022: Q1 2300, Q2 1700, Q3 4200, Q4 2700. 2023: Q1 2500, Q2 2000, Q3 3100, Q4 2800
(a) Make one comment about the annual variation shown in this graph. [1]
(b) In one of these years, quarter 3 was very cloudy.
Write down which year this is most likely to be.
Give a reason for your answer. [1]
(c) The manager of the shop says that the value of sales in quarter 4 of 2024 will be £3100.
What assumption has the manager made? [1]