Interpreting pie charts | Maths | Quizalize & Oak National Academy

Starter quiz

120 people were asked: "what do you most frequently drink whilst at work". The results will be placed in a pie chart with a total of 20 pre-defined sectors. How many sectors would represent water?
- 3.6
- 6
- 12 ✓
- 72
- 360
120 people were asked: "what do you most frequently drink whilst at work". The results will be placed in a pie chart with a total of 20 pre-defined sectors. How many people voted for milk?
- '24' ✓
A large set of information is collected and represented in a pie chart of 30 equally-sized sectors. Each sector represents a frequency of 40. What is the total frequency of this dataset?
- '1200' ✓
Which of these words is not an essential feature of a pie chart or the calculations required to construct a pie chart?
- radius
- sector
- linear ✓
- frequency / value
- pi ( $\pi$ ) ✓
The incomplete ratio table shows a dataset being converted into angles to represent each subgroup as sectors on a pie chart. Match the letters to the correct missing values.
- a
  
  ⇔
  
  120 ✓
- b
  
  ⇔
  
  360 ✓
- c
  
  ⇔
  
  3 ✓
- d
  
  ⇔
  
  54 ✓
- e
  
  ⇔
  
  132 ✓
The incomplete ratio table shows a dataset being converted into angles to represent each subgroup as sectors on a pie chart. Find the value of angle a, in degrees.
- '160' ✓