apt4Stats: PowerPoint for GCSE Statistics on INDEX NUMBERS (Lesson 13 of 14 on Analysing Data)

PowerPoint Presentation on Index Numbers (22 slides): Explains how to calculate use and interpret index numbers, chain base index numbers and weighted index numbers. Gives real-life examples where weighted indices are used. Explains RPI, inflation, CPI and GDP, as well as how to interpret an output gap chart. 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 14 PowerPoint Presentations on ‘Analysing Data’ that APT Initiatives has published for GCSE Statistics. The full set of set of 14 PowerPoints (238 slides excluding Title Pages) covers the following topics relating to ‘Analysing Data’:

01 Averages – Mode (19 slides).
02 Averages – Median (19 slides).
03 Averages – Mean (19 slides).
04 Other Means – Weighted & Geometric(12 slides).
05 Measures of Dispersion – Range (16 slides).
06 Measures of Dispersion – Interquartile Range (20 slides).
07 Cumulative Frequency (25 slides).
08 Box (and Whisker) Plots (11 slides).
09 Distributions, Variance & Standard Deviation (18 slides).
10 Skewness Coefficients (11 slides).
11 Time Series and Moving Averages (25 slides).
12 Crude and Standardised Rates (11 slides).
13 Index Numbers (22 slides).
14 Quality Assurance (10 slides).

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
Representing Data
Probability

The purchase of this resource comes with a licence to make the resource available in digital and / or in print form (including photocopying) to the staff and students attending the purchasing institution, ie the individual school / college on a single site. The resource may be distributed via a secure virtual learning environment. It must not be made available on any public or insecure website or other platform. The resource must not be distributed to other institutions that are members of the same academy chain or similar organisation; each individual institution must purchase their own copy of the resource.