• Mathematics General
  • Year 11

Investigating relationships between two numerical variables

approx. 6 hrs

3 topics

10 concepts

Advance your skills and understanding of correlation through scatterplots and regression lines.

Available in


In this learning program, students explore the relationship between two variables. Students will learn to work effectively with scatterplots and regression lines with and without technology. We will help students develop mastery of statistical analysis on bivariate data in any practical context.

Topics & Concepts We Cover

This learning program is made up of the following 3 topics, broken down into 10 concepts.

  • Investigate scatterplots 4 concepts

    1. Construct a scatterplot using technology

    2. Identify independent and dependent variables in bivariate data analysis

    3. Construct scatterplots

    4. Interpret scatterplots including direction, form and strength

  • Correlation 3 concepts

    1. Calculate Pearson's correlation coefficient using technology

    2. Demonstrate understanding of correlation and causation

    3. Classify the correlation coefficient from a scatterplot or given a value for r

  • Regression line 3 concepts

    1. Fitting a least squares line and calculating the correlation coefficient

    2. Interpolation and extrapolation of regression lines

    3. Interpret the slope and intercept of a regression line

What you'll get

Learning Content

  • A customised learning plan to suit your needs, adapting to your pace as you learn, progress and achieve mastery
  • All the content required to help you master the syllabus, including theory, worked examples, exam preparation and practice questions

An Expert Tutor

  • We match you to a private, expert tutor who is right for your needs and goals
  • Our tutors are talented, tested, top ATAR achievers and subject experts
  • During each session, your tutor guides you through your learning program, providing real-time, live expert tutoring in Investigating relationships between two numerical variables


  • Access information at every stage showing what's been mastered, what areas need to be worked on and what's next
  • You and your parents receive a comprehensive feedback report after every session
  • Every session is recorded and available for you to watch at any time, allowing you to review what was covered

Ready to start this program?

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We'll be in contact to match you with one of our top tutors and book your first session

Starting at

$49(inc. GST)

per session

Fully flexible

PAYG and bundle plans

Use anytime

Access to practice questions

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