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General Mathematics: Units 1 and 2

Using the least squares regression line to model a linear association

Investigating relationships between two numerical variables

13:44 Lesson length
9 Chapters
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About this lesson
This video continues the work relating to VCE General Maths Units 1 and 2 to look at Using the least squares regression line to model a linear association. Pretty long title but not too long a video! I look at how the CAS can take a table of values and turn it into a Least Squares Regression Line. I look at how the CAS can do this for you using the graphs and tables but also how we can uses to simple formulae to help us find the intercept and gradient of the least squares regression line. I continue to use the same examples I have been using in previous videos to explain the concepts in an easy to understand way.
Lesson chapters
  1. Introduction
  2. Welcome
  3. Learning objectives
  4. Recap of past learning
  5. What is a least squares regression line?
  6. Residual values
  7. Final remarks
  8. An example
  9. Using the CAS to find the least squares regression line
Legal (VCAA)

VCE Maths exam question content used by permission, ©VCAA. The VCAA is not affiliated with, and does not endorse, this video resource. VCE® is a registered trademark of the VCAA. Past VCE exams and related content can be accessed at www.vcaa.vic.edu.au

Video details
  • Title Using the least squares regression line to model a linear association
  • Section Investigating relationships between two numerical variables
  • Course General Mathematics: Units 1 and 2

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