Errors and Power
Published: Mar 17th, 2014
Presentation with Transcript Video – Part 1 (7:23) Slides 1-11: Type I and Type II Error Video – Part 2 (3:14) Slides 12-13: More about Errors Video – Part 3 […]
Content Tagged “Hypothesis Test” 
The statistical process where we assume the null hypothesis is true, collect data, determine how likely our data would be if the null hypothesis were true, and use this result to determine whether or not to reject the null hypothesis.
Steps in Hypothesis Testing
Published: Mar 17th, 2014
Presentation with Transcript Part 1 (2:26) Slides 1-4: Introduction to Steps and Motivating Examples Part 2 (9:21) Slides 5-12: Steps for Motivating Examples Part 3 (4:16) Slides 13-18: Final Comments […]
Hypothesis Testing
Published: Mar 17th, 2014
Video (8:43) Presentation with Transcript This document linked from Hypothesis Testing
Unit 4A: Introduction to Statistical Inference
Published: Mar 7th, 2014
View Lecture Slides with Transcript – Unit 4A: Introduction to Statistical Inference Video (15:45) This document linked from Unit 4A: Introduction to Statistical Inference
Wrap-Up (Inference for One Variable)
Published: Mar 19th, 2013
Video: Summary Examples Unit 4A (34:51) We’ve now completed the two main sections about inference for one variable. In these sections we introduced the three forms of inference: Point estimation—estimating an unknown […]
Did I Get This – Type I and Type II Errors
Published: Mar 18th, 2013
In the following activities, you are asked to describe each type of error in context (in the words of the problem or scenario). Consider the following hypotheses, which we have […]
Errors and Power
Published: Mar 8th, 2013
Type I and Type II Errors in Hypothesis Tests Reasons for a Type I Error in Practice Reasons for a Type II Error in Practice Power of a Hypothesis Test […]
Steps in Hypothesis Testing
Published: Mar 8th, 2013
Hypothesis Testing Step 1: State the Hypotheses Hypothesis Testing Step 2: Collect Dtaa, Check Conditions, and Summarize Data Hypothesis Testing Step 3: Assess the Evidence Hypothesis Testing Step 4: Making […]
Did I Get This – Logic of Hypothesis Testing
Published: Mar 8th, 2013
The most commonly accepted tradition is that undergraduate college students will study 2 hours outside of class for every hour in class. This means 30 hours/week for a full-time student […]
Learn By Doing – Logic of Hypothesis Testing
Published: Mar 8th, 2013
For many years “working full-time” has meant 40 hours per week. Now it seems that corporate employers expect their employees to work more than this amount. A researcher decides to […]