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Topic 47Mathematics (Edexcel)

Correlation and Regression

Correlation and Regression — Edexcel International A-Level Mathematics (Unit 8 / Statistics 1 (S1)). Covers: Correlation; Linear Regression.

Practice questions
1

CorrelationSign up

be able to calculate the product moment correlation coefficient (PMCC) r from summary statistics, interpret its value in context and comment on the existence and strength of any linear relationship

40 min
2

Linear RegressionSign up

be able to find the equation of the least-squares regression line y on x from summary statistics, use it to estimate values of y for given x, and comment on the appropriateness of interpolation versus extrapolation

40 min