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Exam-style practice

Bivariate distributions answer explanations

Review worked answers and explanations for Bivariate distributions. Aligned to Cambridge IGCSE Statistics.

Answer explanations

Question 1 of 14

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Paper 1 structured question: Bivariate distributions

Paper 1Statistical Techniques2 marks

Description

Plant Growth Investigation

The student varies the amount of water given to identical plants and measures their height after two weeks.

Amount of water (ml)Plant height (cm)
5012
10015
15018
20020
  1. a

    Identify the independent variable in this investigation.

    [1]
  2. b

    Identify the dependent variable in this investigation.

    [1]