HSC Together General Maths: Pearson's Correlation Coefficient

Pearson’s Correlation Coefficient

What is Pearson’s Correlation Coefficient?

In QCE General Maths, Pearson’s Correlation Coefficient measures the strength of a linear association. In other words, when the points on the scatterplot line up in a straight line in there is a strong linear association.

Pearson’s Correlation Coefficient ‘r’ will always have a value between -1 and +1. The following videos will explain how to identify the coefficient and what that means.

 

How do you identify the Correlation Coefficient?

The following two videos explain Pearson’s Correlation Coefficient in more detail and how to identify the relationship.

 

 

Using a calculator to identify a correlation coefficient (Casio Calculator)

To find the exact number of the coefficient from a graph is impossible, fortunately, the calculator can do that for us! This video explains how to use your calculator to find the coefficient.

45,861 HSC students have a head start...

Get exclusive HSC content & advice from our team of experts delivered weekly to your inbox!

Here’s how we help...

Holistic K-12 Tutoring

Attend our master-class workshops on how to ace your essays, assessments and exams!

Comprehensive Workshops

Attend our master-class workshops on how to ace your essays, assessments and exams!

AOS asset - Rocket

Study, Uni, Career Mentoring

Attend our master-class workshops on how to ace your essays, assessments and exams!

Senior School Workshops

Attend our master-class workshops on how to ace your essays, assessments and exams!

45,861 students have a head start...

Get exclusive study content & advice from our team of experts delivered weekly to your inbox!

AOS Website Asset 2

Looking for Academic Support?

Discover how we can help you!

AOS Website Asset 1