Chapters

Introduction

Surveying and sampling

Probability and statistics (Year 8)

Year 8

This video looks at the language which is needed to be able to describe data which has been gained from a survey. It describes terms such as population, sample, sample size, proportion and bias. It moves on to look at how we can describe the shape of the data using symmetrical and skewed and how to tell if the data is bi-modal. An example is used to describe how to read histograms to answer questions.

Published: Feb. 18, 2019

Length: 17 mins and 38 seconds

Lesson notes

Lesson notes are provided in PDF format and can be downloaded by clicking the link below:

Exam resources

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Video tags

Surveying and sampling
good maths websites
year 8 maths
what is a survey
what is a proportion
finding a proportion
bi-modal data
symmetrical
skewed
positively skewed
negatively skewed distribution
negatively skewed histogram
negatively skewed data meaning
histogram
sample size
population
statistics
data representation

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