QCE Together Year 12 General Maths: Pearson's Correlation Coefficient

#### General Maths

• Bivariate Data Analysis
• Time Series Analysis
• Growth and Decay in Sequences
• Earth Geometry and Time Zones
• Loans, Investments and Annuities
• Graphs and Networks
• Networks and Decision Mathematics
• Back to other subjects
Back to other subjects

# 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 (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.

Want to learn more? Check out more of our QCE General Maths resources here!

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

Get exclusive QCE 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!

### 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!