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Calculating summary statistics from stem and leaf diagrams

The starter and exit quiz of the lesson “Calculating summary statistics from stem and leaf diagrams”, from the unit “Comparisons of numerical summaries of data” (Year 10 Maths) by Oak National Academy.

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12 questions

  1. A statistical summary sums up the features of a data set. It may contain an ___ which measures the central tendency. It may also contain the range which measures the spread.
  2. The mode of this data set is ___.
  3. The range of this data set is ___.
  4. The median of this data set is ___.
  5. The mean of this this data set is ___.
  6. This table represents the number of cars in 40 households. The mean number of cars per household is ___ cars.
  7. The modal group in this stem and leaf diagram is __________.
  8. The modal distance is ___ km.
  9. The range of the data shown on this stem and leaf diagram is ___ km.
  10. The total of the first row of leaves is ___ kg.
  11. Sam and Andeep draw a back-to-back stem and leaf diagram to compare their classes' scores in a quiz. Match the summary statistic for each class with its value.
  12. Calculate the mean mass (to 2 decimal places) of the data represented in this stem and leaf diagram. The totals for each row have been calculated already.

License: OGL

Calculating summary statistics from stem and leaf diagrams · Examplary