O-LevelMathematicsStatistics4024/12 · Oct/Nov 2017 · Q22 Marks
The masses, in kilograms, of 20 parcels sent by a dispatch centre are given in the table. 4.2 5.3 5.1 7.8 8.2 7.5 3.2 5.7 4.1 5.9 8.4 5.6 8.0 3.2 4.8 6.9 6.2 3.2 5.4 4.7
- (a)By using tally marks, or otherwise, complete the grouped frequency distribution for these masses. Mass (m kilograms) 3 < m ≤ 5 5 < m ≤ 7 7 < m ≤ 9 Tally marks Frequency[1]
- (b)The results are to be shown in a pie chart. Calculate the angle of the sector representing the group with the smallest frequency.[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.
- [1] 2(a) 7, 8, 5 all three
- [1] 2(b) 18 × their (min. frequency) FT provided min. frequency < 20
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →