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More about Hypothesis Testing

Published: Mar 17th, 2014

Presentation with Transcript Part A (5:34) Slides 1-6 Introduction Effect of Sample Size on Hypothesis Testing Part B (3:11) Slides 7 – 11 Statistical Significance vs. Practical Importance Part C […]

Proportions (Step 4 & Summary)

Published: Mar 17th, 2014

Video (4:30) Presentation with Transcript This document linked from Proportions (Step 4 & Summary)

Proportions (Step 3)

Published: Mar 17th, 2014

Presentation with Transcript Part 1 (7:28) Slides 1-7: Finding P-Values Part 2 (7:18) There is an error in the transcript for SLIDE 13: It says “We can enter 2.5 in for “x” […]

Proportions (Step 2)

Published: Mar 17th, 2014

Presentation with Transcript Part 1 (8:16) Slides 1-10: Introduction and Test Statistics Part 2 (4:12) Slides 11-16: Check Conditions This document linked from Proportions (Step 2)

Learn by Doing – Proportions (Step 2) Valid or Invalid Sampling?

Published: Oct 22nd, 2013

We are conducting a survey to determine if an upcoming bond measure will receive a majority vote in the county. The null hypothesis claims that p = 0.50, where p […]

Unit 3A Introduction

Published: Sep 19th, 2013

View Lecture Slides with Transcript – Unit 3A Introduction Video (5:36) This document is linked from Unit 3A: Probability

Causation and Experiments

Published: Sep 12th, 2013

View Lecture Slides with Transcript – Causation and Experiment – All Parts Part A (4:34) Part B (1:48) Covers activity illustrating random assignment to treatments Part C (2:35) This document is […]

More about Hypothesis Testing

More about Hypothesis Testing

Published: Mar 18th, 2013

1. The Effect of Sample Size on Hypothesis Testing 2. Statistical significance vs. practical importance. 3. Hypothesis Testing and Confidence Intervals Let’s summarize CO-1: Describe the roles biostatistics serves in the […]

Proportions (Step 4 & Summary)

Proportions (Step 4 & Summary)

Published: Mar 18th, 2013

Step 4. Drawing Conclusions Based on the P-Value Many Students Wonder: Hypothesis Testing for the Population Proportion Let’s Summarize!! What’s next? CO-4: Distinguish among different measurement scales, choose the appropriate descriptive […]

Proportions (Step 3)

Proportions (Step 3)

Published: Mar 18th, 2013

Step 3. Finding the P-value of the Test Alternative Hypothesis is “Less Than” Alternative Hypothesis is “Greater Than” Alternative Hypothesis is “Not Equal To” The Four Steps in Hypothesis Testing […]