Mathematical Methods Β· Unit 4 Β· Continuous random variables and the normal distribution Β· General continuous random variables
Understand standardised normal variables (π§-values, π§-scores) and use these to compare samples.
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Calculate the variance, πππ (π) = π 2 = β« (π₯ β π) β ββ 2 π(π₯)ππ₯, and standard deviation π, of a continuous random variable.
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Understand the concepts of a probability density function, cumulative distribution function, and probabilities associated with a continuous random variable given by integrals; examine simple types of continuous random variables and use them in appropriate contexts.