Lecture 07: One-Sample Hypothesis Tests and Power

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Plan a Test Before Collecting Data

Testing Errors and Significance

Test Statistics, Assumptions, and Tail Areas

Corrosion: Two-Sided One-Sample t Test

Change the Question to Lower Corrosion

Confidence Intervals and Two-Sided Tests

Statistical and Practical Significance

Power: Calculate Under a Specified Alternative

Corrosion: Known-SD z Planning

Pumpkin Power and Error Tradeoffs

Sample Size for Desired Power

Studentized Bootstrap Hypothesis Tests

Corrosion Bootstrap Comparison

Pumpkin Test

Additional Handout Practice

Glass Recycling

Stimulant and Mice

Companion Worksheet Caveats