apt4Stats: Set of 13 PowerPoint Presentations on Representing Data for GCSE Statistics
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This set of 13 PowerPoint Presentations, written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations, are designed for use by:
- any teacher – not necessarily a maths specialist – as part of their own delivery of lessons.
- students working independently.
They can be used by:
- cover teachers.
- students who are unable to attend their lesson in person.
Each PowerPoint Presentation includes:
- Lesson objectives
- Step-by-step explanations of the subject matter
- Examples to aid understanding
- Questions to check understanding
- Answers to questions, with explanations
- Suggestions regarding which topic(s) should be moved on to next.
This set of 13 PowerPoint Presentations (225 slides excluding Title Pages) covers the following topics relating to ‘Representing Data’:
- 01 Block Diagrams and Dot Plots (12 slides): Explains how to draw, read and interpret block diagrams and dot plots.
- 02 Pictograms (16 slides): Explains how to draw, read and interpret pictograms; highlights how pictograms are suitable charts for representing qualitative data.
- 03 Bar Charts, Bar Line Graphs and Frequency Diagrams – Polygons (26 slides): Explains how to produce, read and interpret a variety of bar charts and vertical line graphs, as well as frequency diagrams and polygons.
- 04 Population Pyramids & Choropleth Maps (15 slides): Explains how to use and interpret population pyramids and how to produce and interpret choropleth maps.
- 05 Line Graphs (9 slides): Explains how to plot / draw, read off and interpret simple line graphs.
- 06 Stepped Tables and Two-way Tables (18 slides): Explains how to use stepped tables and how to complete, read and interpret two-way tables.
- 07 Pie Charts (18 slides): Explains how to draw and interpret pie charts.
- 08 Comparative Pie Charts (10 slides): Revises the equation for the area of a circle and finding fractions of amounts, before explaining how to draw and interpret comparative pie charts.
- 09 Scatter Diagrams (40 slides): Explains how to plot a scatter diagram, explains correlation – types and strength, how to draw and use lines of best fit, and how to find and interpret the equation of the linear regression line.
- 10 Correlation Coefficients (11 slides): Explains how to interpret the Product Moment Correlation Coefficient (PMCC) and how to calculate and interpret the Spearman’s Rank Correlation Coefficient (SRCC) of paired data.
- 11 Stem and Leaf Diagrams (17 slides): Explains how to produce stem and leaf diagrams, including back-to-back stem and leaf diagrams.
- 12 Histograms (14 slides): Explains how to produce and interpret histograms.
- 13 Misleading Graphs and other Data Representations (19 slides): Explains how diagrams, charts and graphs might be misleading.
These PowerPoints are one of 4 sets of PowerPoint Presentations that APT Initiatives Ltd has published to support teachers and students of GCSE Statistics. Other sets concern:
- Collecting Data
- Analysing Data