This is a digital download of over 450 editable PowerPoint Teaching Slides covering Unit 3 Summarising Data for the GCSE Statistics (9-1) Edexcel specification. 

Fully covering the theoretical aspects of this area of the syllabus with supporting examples and questions, these engaging and animated slides provide the ideal medium for teachers to pick up and deliver professional, high-quality GCSE Statistics lessons with minimal preparation.

The Unit is divided into the following sub-units:

• 3.1 Averages (41 slides)

• 3.2 Averages with frequency tables (17 slides)

• 3.3 Averages with grouped data (54 slides)

• 3.4 Averages from grouped data with unequal class widths - Higher only (42 slides)

• 3.5 Averages and transforming data (24 slides)

• 3.6 Geometric and weighted means - Higher only (22 slides)

• 3.7 Measures of Dispersion (69 slides)

• 3.8 Interpercentile and Interdeciles Ranges - Higher only (30 slides)

• 3.9 Standard deviation - Higher only (50 slides)

• 3.10 Box plots and outliers (47 slides)

• 3.11 Skewness (30 slides)

• 3.12 Comparisons of data sets (33 slides)

Any topics only relevant to the Higher tier are clearly indicated.

Most of the animations are initiated by mouse click for flexibility by the teacher.