Confidence Interval Flashcards by Tristan Ho | Brainscape

Q

Known variance

A

CI = x̅ ± k( σ/√n )

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Q

Unknown variance

A

CI = x̅ ± t ( s/√n )

n - 1, 1 – a/2

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Q

Proportion

A

CI = p̂ ± k[ √( p̂q̂/n ) ]

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