Mathematics · May / June 2026 · Paper 43 · Question 9
0580
As printed in the paper
The question as text
The table shows the marks of 100 students in a test. mark x 0 0 2 Ē ē x 0 0 2 4 Ē ē x 0 40 6 Ē ē x 0 60 8 Ē ē x 0 80 10 Ē ē frequency 4 20 31 34 11
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
9(a)[1]
60, 80 [1]
Condone answer 40 < x ⩽ 60 after correct answer
9(b)[4]
55.6 [4]
seen. Allow answer 56 after 55.6 seen.
M1 for midpoints soi Condone 1 error or omission: 10 30 50 70 90
M1 for Σfx where x is in correct interval Condone 1 further error or omission (no more than including boundary one midpoint outside interval). 40 + 600 + 1550 + 2380 + 990 = 5560 Σ fx M1 dep on 2nd
M1 for 100 Allow 4 + 20 + 31 + 34 + 11 for 100.
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