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STAT.7.1

Understand the need for sampling

Understand the need for sampling

3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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10:12
Grade 4–7 Core 🇬🇧 UK

Sampling and Bias | Grade 5+ Series | GCSE Maths Tutor

The GCSE Maths Tutor 71K views

Clear GCSE walkthrough of sampling and how bias creeps in when samples aren't representative.

4:29
Grade 4–6 Core 🇬🇧 UK

Using Samples - Corbettmaths

corbettmaths 28K views

Corbettmaths explains how a sample is used to draw conclusions about a whole population.