Scatter graphs and sampling
Correlation, lines of best fit, outliers, interpolation and extrapolation, populations, samples and bias.
You will be able to
- Plot a scatter graph and describe the correlation
- Use a line of best fit to estimate, knowing when it is reliable
- Spot an outlier
- Explain the difference between a population and a sample, and why a sample may be biased
25 minutes, 8 exam-style questions.