Mathematics · May / June 2026 · Paper 43 · Question 6
0580
As printed in the paper
The question as text
The table shows the time 9 students each spent studying for a test and the number of errors each student made in the test. study time (minutes) 5 8 11 15 18 21 25 27 31 number of errors 35 34 30 25 24 20 13 9 6
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
6(a)[2]
3 points correctly plotted [2]
B1 for 2 points correctly plotted Tolerance: half small square radially.
6(b)[1]
Negative [1]
Ignore any qualifier.
6(c)[1]
Ruled line of best fit [1]
For 7 or more points, line must pass between (6, 34) and (6, 36) and between (30, 6) and (30, 8), but ignore point at (13, k) as an attempt at Q6(d). If no points plotted, the line must pass between (5, 35) and (5, 37) and between (21, 19) and (21, 21). For both options, condone the line if it falls no more than 1 square short of gates.
6(d)[1]
Reading from their line of best fit at 13 [1]
dep on their straight line of best fit with Answer must be an integer. negative gradient If line passes between the integers n and n + 1, accept either n or n + 1.
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