O Level Statistics 4040 lectures
16 short lectures, one for each part of the syllabus, in the order it is taught. Each one teaches a topic on the board in a few minutes. The teaching part is free to watch; a free account opens the rest of every lecture: worked examples, practice questions and real past-paper questions answered.
Chapter 1 Data and its Collection
Chapter 2 Summary Representation of Data
- Pictograms, bar charts, pie charts and percentage bar chartsCharts turn tables of numbers into pictures that are quick to read.4 min
- Stem-and-leaf diagrams, box-and-whisker diagrams, two-way tables and Venn diagramsSome diagrams keep every value, some summarise the spread, and some sort items into overlapping groups.4 min
Chapter 3 Frequency Distributions
Chapter 4 Cumulative Frequency
Chapter 5 Statistical Measures
Chapter 6 Transformations of Data
Chapter 7 Crude and Standardised Rates
Chapter 8 Index Numbers
Chapter 9 Bivariate Data
Chapter 10 Time Series
Chapter 11 Probability
- Probability: outcomes, tables, and mutually exclusive and independent eventsProbability measures how likely an event is, on a scale from 0, impossible, to 1, certain.4 min
- Selections without replacement, tree diagrams and conditional probabilityWhen items are chosen one after another and not put back, the probabilities change at each step.4 min
Chapter 12 Probability Distributions
Also for O Level Statistics 4040
Which topics come up most in O Level Statistics 4040 past papers, counted from every paper since 2004.