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Statistical diagrams and scatter graphs · GCSE Mathematics · Courselo

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GCSE Maths
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Statistics

Statistical diagrams and scatter graphs

Statistics · Lesson 2 of 3

Lesson 2 of 3

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Unit 6

Statistics

3 lessons · 2 h 55 min of study

Data collection, sampling, averages and spread55 min of study
Statistical diagrams and scatter graphsReading · 0%
Cumulative frequency, box plots and histograms1 h 10 min of study

This unit is ≈8% of the GCSE Maths, across 3 lessons. Full syllabus

Lesson 2 of 3 · Statistics

Statistical diagrams and scatter graphs

3 quick checks≈2% of the testFoundational: Foundational: the groundwork the rest of the unit builds on

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By the end you’ll be able to

Construct and interpret bar charts, pie charts, pictograms, frequency polygons, stem-and-leaf diagrams and time-series graphs
Spot misleading features of graphs (broken axes, unequal scales, 3D effects) and criticise them
Plot scatter graphs, describe correlation, draw a line of best fit and use it for interpolation, with a warning about extrapolation

Practice this skill

Adaptive questions on statistical diagrams and scatter graphs.

Practise this topic

0% read

Recognise outliers and explain that correlation does not imply causation; find a linear regression line with a GDC (0607)

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PreviousData collection, sampling, averages and spread Next lessonCumulative frequency, box plots and histograms