Summarising data | Maths | Quizalize & Oak National Academy

Starter quiz

Match the summary statistic to its definition.
- mean
  
  ⇔
  
  is the sum of the values divided by the number of values ✓
- median
  
  ⇔
  
  is the middle piece of data when the data are in order ✓
- mode
  
  ⇔
  
  is the most frequent value ✓
- range
  
  ⇔
  
  is a measure of spread ✓
Find the mode of this list of numbers: 4, 7, 16, 16, 22, 23, 24, 28
- 7
- 16 ✓
- 17.5
- 19
- 24
Find the median of this list of numbers. 4, 7, 16, 16, 22, 23, 24, 28
- 7
- 16
- 17.5
- 19 ✓
- 24
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Find the modal value of this dataset from its dot plot.
- 9
- 11
- 28
- 29 ✓
- 30
Work out the mean of this dataset: (-6), (-5), (-3), (-3), 1, 4, 5, 7
- '0' ✓
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Dataset A and dataset B both show the minimum temperatures in two different locations. How much bigger is the range of dataset A than the range of dataset B?
- '11' ✓