Normal testing - sample mean Flashcards by Poppy Ruben

Q

Normal distribution (sample mean) model

A

X̄ ~ N( μ, σ²/n )

where n is sample size

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Q

How to carry out Normal testing (sample mean)

A

State Ho and H1
Assume Ho
Find p(X̄ < or > sample mean)
if p < α, reject Ho
if p > α, accept Ho

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