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Cambridge IGCSE Statistics practice

Paper 1 structured question: Index numbers

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Index numbers

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Paper 1Statistical Techniques2 marks

A shop sold a product for $50 in 2018. In 2020, the price of the same product was $60.

Description

Price Change of a Product

The price of a product in 2018 was $50. In 2020, the price increased to $60.

YearPrice ($)
201850
202060
  1. a

    Calculate the price relative for the product in 2020 using 2018 as the base year.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 1 structured question: Index numbers

Paper 1Statistical Techniques2 marks

Description

Price Comparison Over Time

The price of an item was $80 in 2015 and $72 in 2019.

YearPrice ($)
201580
201972
  1. a

    Calculate the price relative for 2019 using 2015 as the base year.

    Aim for approximately 2 distinct marking points.

    [2]