Intermediate

Statistics

Read data, compare summaries, and reason about uncertainty. Work through everyday examples to understand probability, sampling, and the limits of statistical conclusions.

10 lessons

Lessons

1
Select a sample fairly
3 min
2
Different samples give different results
3 min
3
Account for different group sizes
3 min
4
Look beyond one average
3 min
5
Investigate unusual observations
3 min
6
Measure spread around the mean
3 min
7
Describe uncertainty with a model
3 min
8
Find the chance of the opposite
3 min
9
When one result does not change another
3 min
10
Restrict the group being considered
3 min

Lessons

Select a sample fairly

Different samples give different results

Account for different group sizes

Look beyond one average

Investigate unusual observations

Measure spread around the mean

Describe uncertainty with a model

Find the chance of the opposite

When one result does not change another

Restrict the group being considered