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← Data and chance
Data and chance: practice
New numbers every time. Get 3 right in a row to mark a skill as practised.
What to practise
Mixed: the whole course
Mixed: Data
Counting and measuring
Mean, median, mode and range
Which measure?
Stem-and-leaf plots
Comparing data sets
Statistical investigations
Mixed: Chance
Sample spaces and probability
Predict and test
Many trials
Complementary events
Venn diagrams and two-way tables
Grids and tree diagrams
And, or and not
Simulating compound events
Mixed: Samples
Census, sample, experiment or observation
Bias in collecting data
Ways to choose a sample
Describing a sample
How samples vary
Investigating with samples
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