Unknown Mean and Variance

Description

A-Levels Further Mathematics Slide Set on Unknown Mean and Variance, created by Alex Burden on 13/04/2017.
Alex Burden
Slide Set by Alex Burden, updated more than 1 year ago
Alex Burden
Created by Alex Burden over 7 years ago
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Resource summary

Slide 1

    Unknown Mean and Variance
    X~N(μ, σ^2)Let Z=X-μ/σNB: Table 3 contains probabilities        Table 4 contains Z-values for selected probabilities

Slide 2

    For One Unknown
    Use Z=X-μ/σ with available valuesFind Q-value that gives probabilityLet X-μ/σ = Q-value

Slide 3

    For Two Unknowns
    Use the same method as for One UnknownWIll end up being Simultaneous Equations that need to be solved
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