Probabilistic and Statistical Analysis for Decision
GEN701
Formula Sheet
Sample size
Sample variance
n
Sample mean
Normal PDF
The Standard Normal PDF
(1-α)100% Confidence
Interval using Z-test
(1-α)100% Confidence
Interval using t-test
Two Means Test Statistic,
with known variances
Two Means Test Statistic,
with unknown but equal
variances
Chi square test statistic for
goodness of fit
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Chi Square Distribution (v=df)
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