Data Interpretation and Probability · Data and Statistics

Bivariate Data and Scatter Graphs

Investigating relationships between two variables and using lines of best fit.

Key Questions

  1. 1Does a strong correlation between two variables always imply that one causes the other?
  2. 2How can we use a line of best fit to make reliable predictions within the data range?
  3. 3What are the dangers of extrapolation when using scatter graphs?

National Curriculum Attainment Targets

KS3: Mathematics - Statistics
Year: Year 9
Subject: Mathematics
Unit: Data Interpretation and Probability
Period: Data and Statistics

Suggested Methodologies

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