(a(i))[1]
Complete the table by filling in the missing value.
(a(ii))[1]
Write down the modal length shown in the table.
(a(iii))[1]
Write down the range for the lengths.
(a(iv))[3]
Calculate the mean of the lengths.
(a(v))[3]
Complete the pie chart so that it shows the proportions of nails accepted and rejected.
(b)[2]
Complete the statement for the length, $n$ mm, of this nail: $\,\le n <$