ConfIntervals - Formulas - Hypothesis Tests and Confidence...

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Formulas - Hypothesis Tests and Confidence Intervals - Triola Text 1 - α Confidence Interval Point Estimate ± Maximum Error E Hypothesis Test Value (Statistic) NULL Hypothesis: Use the statement containing the condition of equality (= ), either directly or implied, as the Null Hypothesis H o . Single Population (TI-83, TI-86) Single Population (TI-83, TI-86) One Large Sample for µ (ZInterval, ZInt1) n > 30 or σ known n z x σ α 2 ± One Large Sample for µ (Z-Test, ZTest) n > 30 or σ known n x z σ µ = One Small Sample for µ (TInterval, TInt1) n 30 and σ unknown, df = n - 1 n s t x 2 α ± One Small Sample for µ (T-Test, TTest) n 30 and σ unknown, df = n - 1 n s x t µ = One Large Sample Proportion for p (1-PropZInt, ZPin1) n q p z ˆ ˆ ˆ 2 α ± p One Large Sample Proportion for p (1-PropZTest, ZPrp1) n pq p p z = ˆ Dual Population (TI-83, TI-86) Dual Population (TI-83, TI-86) Small Dependent Paired for µ d , df = n – 1 (TInterval, TInt1) n s t d d 2 α ± Small Dependent Paired for µ d , df = n – 1 (T-Test, TTest) n s d t d d
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