Evaluating the range | Maths | Quizalize & Oak National Academy

Starter quiz

Which of these sentences describe the range?
- A measure of spread ✓
- A measure of central tendency
- A measure of variance or varity ✓
- It is found by finding the difference between the highest and lowest values ✓
- It is found by putting a data set into size order and finding the middle value
Match the key parts of a calculation for the range with the correct values for this data set: 6, 3, 10, 4, 9, 1, 4
- The largest value is
  
  ⇔
  
  10 ✓
- The smallest value is
  
  ⇔
  
  1 ✓
- Calculation to find range
  
  ⇔
  
  10 − 1 ✓
- The range is
  
  ⇔
  
  9 ✓
- Number not used to find range
  
  ⇔
  
  4 ✓
Select the correct calculation to find the range of this data set: 19, 12, 16, 19, 9, 11
- ${{19 + 16}\over{2}} = 17.5$
- ${{12 + 16}\over{2}} = 14$
- ${{19 + 12 + 16 + 19 + 9 + 11}\over{6}} = 14.\dot3$
- ${19 - 9} = 10$ ✓
- ${19 - 11} = 8$
Match each data set to its range.
- 1, 3, 7, 8, 10
  
  ⇔
  
  9 ✓
- 3, 1, 10, 10, 12
  
  ⇔
  
  11 ✓
- 3, 9, 11, 15, 14
  
  ⇔
  
  12 ✓
- 4, 9, 8, 7, 7, 14, 12, 13
  
  ⇔
  
  10 ✓
A data set is presented on a dot plot. The range of the data is ______.
- '7' ✓
Which of these dot plots have a range of 6?
- a
- b ✓
- c ✓
- d