(a(i))[2]
Complete the table to display the results for all 50 students.
(a(ii))[1]
Write down the range for this data.
(a(iii))[2]
Find the median of the data.
(a(iv))[1]
Find the percentage of the 50 students that drink 4 glasses of water.
(a(v))[2]
A student is selected at random from the 50. Find the probability that this student drinks fewer than 2 glasses of water in one day. Give your answer as a fraction in its lowest terms.
(b)[2]
Work out how much water remains in the bottle. Give your answer in millilitres.
(c)[2]
Complete the statement about the value of $w$.
(d)[3]
Calculate the volume of this glass.