x 1 2 3 4 5 6 7 8 9 10 Total f 2 3 4 4 4 4 5 3 2 1 32 fx 2 6 12 16 20 24 35 24 18 10 167 (a)(i) Mean = \(\frac{\sum fx}{\sum f} = \frac{167}{32}\) = \(5.21875 \approxeq 5.22\) (ii) By inspection, the average of the numbers in the 16th and 17th position give the median = \(\frac{5 + 5}{2} = 5\) (iii) Mode = 7 marks having the largest frequency. (b) Students who scored at least 8 marks = Those who scored 8, 9, 10. Total number of students that scored at least 8 = 3 + 2 + 1 = 6. \(%age = \frac{6}{32} \times 100% = 18.75%\)