Mathematics · Oct / Nov 2023 · Paper 42 · Question 2
0580
As printed in the paper
Show the answer and mark scheme
2(a)(i)[1]
5 [1]
2(a)(ii)[1]
17 [1]
2(a)(iii)[1]
18 [1]
2(a)(iv)[3]
17.88 [3]
M2 for (1×15 + 3×16 + 19×17 + 11×18 + 10×19 + 6×20) ÷ 50 oe
or M1 for 1×15 + 3×16 + 19×17 + 11×18 + 10×19 + 6×20 oe
2(b)(i)[2]
1 8 2 0 0 1 1 1 2 5 3 0 3 4 [2]
B1 for two rows correct or for fully correct unordered stem-and- leaf diagram
2(b)(ii)[1]
21 [1]
2(b)(iii)[2]
10 nfww [2]
B1 for [upper qtile] = 30 or [lower qtile] = 20 soi
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