Lesson: Pearson’s Correlation Coefficient Statistics • Third Year of Secondary School

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In this lesson, we will learn how to calculate and use Pearson’s correlation coefficient, 𝑟, to describe the strength and direction of a linear relationship.

Lesson Plan

Students will be able to

calculate Pearson’s correlation coefficient for bivariate data by hand and using a graphic display calculator,
use the correlation coefficient to describe how two variables correlate with one another,
estimate the correlation coefficient from the scatter diagram of bivariate data.