apt4Stats: PowerPoint for GCSE Statistics on STEM AND LEAF DIAGRAMS (11 of 13 on Representing Data)

PowerPoint Presentation on Stem and Leaf Diagrams (17 slides): Explains how to produce stem and leaf diagrams, including back-to-back stem and leaf diagrams. It has been written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations. It 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.

It is 1 of a set of 13 PowerPoint Presentations on ‘Representing Data’ that APT Initiatives has published for GCSE Statistics. The content of this PowerPoint is also relevant to the ‘Statistics’ section of the GCSE Maths specifications and included in APT’s PowerPoints for GCSE Maths.

The full set of set of 13 PowerPoints for GCSE Statistics on ‘Representing Data’ (225 slides excluding Title Pages) covers the following topics:

01 Block Diagrams and Dot Plots (12 slides).
02 Pictograms (16 slides).
03 Bar Charts, Bar Line Graphs and Frequency Diagrams – Polygons (26 slides).
04 Population Pyramids and Choropleth Maps (15 slides).
05 Line Graphs (9 slides).
06 Stepped Tables and Two-way Tables (18 slides).
07 Pie Charts (18 slides): Explains how to draw and interpret pie charts.
08 Comparative Pie Charts (10 slides).
09 Scatter Diagrams (40 slides).
10 Correlation Coefficients (11 slides).
11 Stem and Leaf Diagrams (17 slides).
12 Histograms (14 slides).
13 Misleading Graphs and other Data Representations (19 slides).

This set of 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
Probability

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