Card 1 of 24
In X∼N(μ,σ2)X\sim\mathrm{N}(\mu,\sigma^2)X∼N(μ,σ2), what does the second parameter represent?
A
A Normal variable is standardised using Z=X−μσ\boxed{Z=\dfrac{X-\mu}{\sigma}}Z=σX−μ.
B
It shifts every value by bbb.
C
The variance, not the standard deviation.
D
YYY is also Normally distributed.
Card 1 of 24
2.4.10 Linear transformation and standardising (A-level only) Flashcards
24 flashcards on OCR (MEI) A Level Maths 2.4.10 Linear transformation and standardising (A-level only): the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.