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Cambridge IGCSE Statistics practice

Paper 1 structured question: Data and its collection

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Attempt questionData and its collection revisionRevise the key idea

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Data and its collection

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Paper 1Statistical Techniques3 marks

Importance of sampling frames

Description

Role of Sampling Frames

A sampling frame is crucial for most sampling methods to ensure that every member of the population has a chance of being selected. Without it, the sample may not be representative.

  1. a

    Explain Explain why a sampling frame is important in statistical sampling.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 1 structured question: Data and its collection

Paper 1Statistical Techniques2 marks

Description

Sampling Methods Overview

Different sampling methods are used to collect data from a population. Each method has its own characteristics and requirements.

  1. a

    Define Define quota sampling and explain its key characteristic.

    Aim for approximately 2 distinct marking points.

    [2]