16 7.3% 3 M1 for or seen M1 for A1 cao 17 (a) oe 1 B1 cao 105 (b) is 1 part for method to find 1 part 2 M1 cao A1 18 Cheaper to eat in 4 M1 for cost of pizza in the same currency (either $ or £) the UK by 8p M1 for method to find cost of one pizza including service charge A1 for full method to find cost in both countries ie 9.36 and 9.28 seen oe. C1 statement 19 (a) All 5 points plotted 2 B1 for at least 2 correct points plotted B1 for all points plotted correctly (b) 39% - 44% 2 B1 for line of best that can be used to estimate percentage score on paper 2 B1 for 39 - 44% (c) reason 1 C1 for reason, e.g. lobf can vary, data is only a sample, scale cannot be read exactly (d) for method to find gradient, eg triangle drawn with 0.8 - 1 2 M1 in distance ÷ change in time “change for 0.8 - 1 A1 (e) as the score in paper 1increases, the score in paper 2 interpretation given 1 C1 increases. 20 (a) Enlargement, SF2, 2 B1 for enlargement and scale factor 2 centre (1,3) B1 for centre (1,3) (b) Reflection in 2 B1 for reflection B1 for mirror line
16 7.3% 3 M1 M1 A1 for or seen for cao 17 (a) (b) is 1 part oe 105 1 2 B1 M1 A1 cao for method to find 1 part cao 18 Cheaper to eat in the UK by 8p 4 M1 M1 A1 C1 for cost of pizza in the same currency (either $ or £) for method to find cost of one pizza including service charge for full method to find cost in both countries ie 9.36 and 9.28 seen oe. statement 19 (a) (b) (c) (d) (e) All 5 points plotted 39% - 44% reason 0.8 - 1 interpretation given 2 2 1 2 1 B1 B1 B1 B1 C1 M1 A1 C1 for at least 2 correct points plotted for all points plotted correctly for line of best that can be used to estimate percentage score on paper 2 for 39 - 44% for reason, e.g. lobf can vary, data is only a sample, scale cannot be read exactly for method to find gradient, eg triangle drawn with “change in distance ÷ change in time for 0.8 - 1 as the score in paper 1increases, the score in paper 2 increases. 20 (a) (b) Enlargement, SF2, centre (1,3) Reflection in 2 2 B1 B1 B1 B1 for enlargement and scale factor 2 for centre (1,3) for reflection for mirror line
pixl_ppe_may_edexcel_2f_ms.docx