Mathematics · Oct / Nov 2022 · Paper 22 · Question 13
0580
As printed in the paper
The question as text
The table shows information about the mass of each of 50 children. Mass (k kg) Cumulative Frequency k 20 G 0 k 22 G 7 k 24 G 23 k 28 G 35 k 32 G 43 k 36 G 47 k 42 G 50
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
13(a)[3]
A correct cumulative frequency diagram [3]
B1 for correct horizontal placement for 7 plots
B1 for correct vertical placement for 7 plots B1FT dep on at least
B1 for reasonable increasing curve or polygon through their 7 points If 0 scored SC1 FT for 6 out of 7 points correctly plotted
13(b)[1]
33 to 34.5 [1]
FT their increasing cumulative frequency graph
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