(a)[1]
Finish the pie chart.
(b)[1]
Determine the fraction of people who preferred $Y$. Give your answer in its simplest form.
(c)[1]
If $80$ people preferred $X$, work out the total number of people in the survey.
Mathematics 4024 · O Level · Statistical charts and diagrams
Statistical charts and diagrams — practice question
In a survey, respondents were asked which of three teas, labelled $X$, $Y$ and $Z$, they liked best. The sector for the people who preferred $Y$ has an angle of $168^\circ$.