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Inference for a Difference in Means: Two-Sample T Procedures
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Confidence Intervals for Population Mean
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Finding t-Values Using a TI-84
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Critical Values: t-Distribution
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Finding Confidence Intervals Using TI-84
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Performing Hypothesis Tests: Means
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Standard Deviation (σ) Unknown Example 3
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Standard Deviation (σ) Known Example 1
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Standard Deviation (σ) Known
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Steps in Hypothesis Testing
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Step 4: State Conclusion
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Step 2: Calculate Test Statistic
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Step 1: Write Hypotheses
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