Mathematics · Oct / Nov 2020 · Paper 21 · Question 4
0580
As printed in the paper
The question as text
Aisha records the distance she runs and her average speed. The results are shown in the scatter diagram. 0 5 6 7 8 9 10 11 12 Average speed (km/h) 13 14 15 16 1 2 3 4 5 Distance (km) 6 7 8 9 10
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)[2]
4 points correctly plotted [2]
B1 for 2 or 3 points correctly plotted
4(b)[1]
Negative [1]
4(c)[1]
Correct ruled line of best fit [1]
4(d)[1]
10 to 12 [1]
FT their straight line of best fit
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