Constructing scatterplots, lines of best fit by eye and interpreting Pearson's correlation coefficient
What this note covers
- What is a scatterplot and why do we use one?
- One-variable or bivariate data? Choosing the right analysis
- Describing association: direction, form and strength
- Pearson's correlation coefficient r: meaning and scale
- Finding r on a scientific calculator
- Worked example: hours studied vs exam mark
- Drawing a line of best fit by eye
- Correlation vs causation: a critical distinction
- HSC exam strategy for scatterplot and correlation questions
9 sections · 16 key terms & formulas · 8 common mistakes
Common questions
What does the HSC Mathematics Standard 2 note "Constructing scatterplots, lines of best fit by eye and interpreting Pearson's correlation coefficient" cover?
This note has 9 sections on Constructing scatterplots, lines of best fit by eye and interpreting Pearson's correlation coefficient. It includes 16 key terms and formulas, plus 8 common mistakes. It covers 4, Statistics: Bivariate data analysis. The full section list is shown under “What this note covers”.
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