Mathematics · Oct / Nov 2020 · Paper 41 · Question 3
0580
As printed in the paper
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3(a)[2]
Disagree: the median for the women is greater (than the median for the men) oe Disagree: the men have a smaller [interquartile] range of times oe [2]
B1 for each correct statement oe
3(b)(i)[4]
87.4 nfww [4]
M1 for mid-points soi (30, 80, 130, 190, 270)
M1 for use of Σfm with m in correct interval including both boundaries M1 (dep on 2nd M1) for Σfm ÷ (41 + 24 + 23 + 8 + 4)
3(b)(ii)[3]
90 [1]
8 [2]
B1 for 92 seen
3(b)(iii)[2]
2.4 [2]
M1 for 24 40 or 8 60
Or B1 for [multiplier] 18 or 1 18
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