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Further MathsFurther Maths42 views·Updated Jun 23, 2026·6 pages

Bivariate data

user profile picture
Ceri Thomas@cerithomas

Notes on WJEC AS Further Statistics - Bivariate data.

1
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova
2
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova
3
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova
4
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova
5
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova
6
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

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Further MathsFurther Maths42 views·Updated Jun 23, 2026·6 pages

Bivariate data

user profile picture
Ceri Thomas@cerithomas

Notes on WJEC AS Further Statistics - Bivariate data.

1
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

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2
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

Sign up to see the content. It's free!

  • Access to all documents
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3
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

Sign up to see the content. It's free!

  • Access to all documents
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4
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

Sign up to see the content. It's free!

  • Access to all documents
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5
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
6
of 6
the relationship between two
Sets of data.

$\Sigma$(x−$\bar{x}$) = $S_{cox}$ (variances
$\Sigma$(x-$\bar{x}$)(y-$\bar{y}$) = $S_{ocy}$ cova

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

Where can I download the Knowunity app?

You can download the app from Google Play Store and Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Bivariate Data

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Explore the fundamentals of complex numbers and matrices in this comprehensive study note. Topics include the square root of complex numbers, matrix transformations, determinants, and the properties of complex conjugates. Ideal for A Level Further Maths students looking to strengthen their understanding of these key concepts.

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Proof Techniques Explained

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Key Romeo and Juliet themes and analysed quotes

106,703198

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user