(a)[1]
Work out how many more students picked biology than physics.
(b)[1]
Write down the fraction for which chemistry is the favourite science subject.
(c)[2]
Write down the probability that this student did not choose biology.
(d(i))[1]
Write down the average that can be determined.
(d(ii))[1]
Determine this average from these results.
(d(iii))[1]
Explain why it is impossible to find the range.
(e(i))[3]
Complete the table shown.
(e(ii))[2]
Complete the pie chart shown.