Mathematics · Oct / Nov 2024 · Paper 21 · Question 15
0580
As printed in the paper
The question as text
Students in class ÷ take a test. These statistics show information about their marks. • lower quartile ¡ 38 • median ¡ 53 • interquartile range ¡ 28 • range ¡ 81 • highest mark ¡ 96
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
15(a)[3]
Correct box-and-whisker plot L = 15 LQ = 38 Median = 53 UQ = 66 H = 96 [3]
B1 for UQ = 66 or Lowest = 15 soi
M1 for at least 3 values correct within box and whisker plot
15(b)[2]
Class Q scored fewer marks on average [as median is lower] oe Class Q have a larger spread of marks [as IQR is higher] oe [2]
B1 for each
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