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Contents
- Whole Topic Notes
- 1A Expected Value of a Discrete Random Variable
- 1B Variance of a Discrete Random Variable
- 1C Expected Value and Variance of a Function of X
- 1D Solving Problems Involving Random Variables
- Whole Topic Summary Resources (Including Past Paper Questions)
Whole Topic Notes
Full Notes to Accompany Examples
Dr Frost
- Dr Frost Further Statistics 1 Discrete Random Variables Section
- Dr Frost Further Statistics 1 Discrete Random Variables Slides
FMSP Whole Chapter Videos
- FMSP Further Statistics 1 (AS) playlist (Courtesy of MEI)
1A Expected Value of a Discrete Random Variable
Textbook resources
FMSP Video Courtesy of MEI
Dr Frost resources
No Live Lesson Video Yet
Download Slides
Key Skills
Note all numbers are subject to change and will be updated once all key skills have been finished by Dr Frost
- 834a: Determine E(X) for a symmetrical discrete random variable.
- 834b: Determine E(X) for a discrete random variable.
- 834c: Determine E(X) for a discrete random variable expressed using functional notation.
- 834h: Determine a simplified expression for E(X) by using Σ p(x) = 1
- 834i: Determine two unknown variables for probabilities in a discrete random variable given E(X)
- 834j: Determine two unknown variables for probabilities in a discrete random variable given E(X), expressed using functional notation.
- 834: Exam Practice: Expected value E(X) and variance Var(X) of a discrete random variable
Worksheets
- Mathshelper (Jon Stone)
1B Variance of a Discrete Random Variable
Textbook resources
FMSP Video Courtesy of MEI
Dr Frost resources
No Live Lesson Video Yet
Download Slides
Key Skills
Note all numbers are subject to change and will be updated once all key skills have been finished by Dr Frost
- 834d: Determine E(X²) for a discrete random variable.
- 834f: Determine Var(X) for a discrete random variable.
- 834g: Determine Var(X) for a discrete random variable expressed using functional notation.
- 834k: Determine two unknown variables for probabilities in a discrete random variable given Var(X)
- 834: Exam Practice: Expected value E(X) and variance Var(X) of a discrete random variable
1C Expected Value and Variance of a Function of X
Textbook resources
FMSP Video Courtesy of MEI
Dr Frost resources
No Live Lesson Video Yet
Download Slides
Key Skills
Note all numbers are subject to change and will be updated once all key skills have been finished by Dr Frost
1D Solving Problems Involving Random Variables
Textbook resources
No Video Yet
Dr Frost resources
No Live Lesson Video Yet
Download Slides
Key Skills
Note all numbers are subject to change and will be updated once all key skills have been finished by Dr Frost
Whole Topic Summary Resources (Including Past Paper Questions)
External whole topic past paper style questions
- WW Dr Frost Style QQQs (Version 1) Word Doc, PDF (Q’s Only) or PDF (Q’s & Sol.)
- WW Dr Frost Style QQQs (Version 2) Word Doc, PDF (Q’s Only) or PDF (Q’s & Sol.)
Worksheets
- Mathshelper (Jon Stone)