Contents

  • Introduction
  • Learning outcomes
  • 1 Measuring location
    • 1.1 Data on prices
    • 1.2 The median
    • 1.3 The arithmetic mean
    • 1.4 The mean and median compared
    • Exercises on Section 1
  • 2 Weighted means
    • 2.1 The mean of a combined batch
    • 2.2 Further uses of weighted means
    • 2.3 More than two numbers
    • Exercises on Section 2
  • 3 Measuring spread
    • 3.1 The range
    • 3.2 Quartiles and the interquartile range
    • 3.3 The five-figure summary and boxplots
    • Exercises on Section 3
  • 4 A simple chained price index
    • 4.1 A two-commodity price index
    • Exercise on Section 4
  • 5 The UK government price indices
    • 5.1 What are the CPI and RPI?
    • 5.2 Calculating the price indices
    • 5.3 Using the price indices
    • Exercises on Section 5
  • Conclusion
  • Text
  • Solutions
  • Descriptions