Did I Get This – Proportions (Step 4)
Published: Oct 22nd, 2013
Two hypothesis tests were conducted. In test I, a significance level of .05 was used, and the p-value was calculated to be 0.025. In test II, a significance level of […]
Content Tagged “One-Sample Z-Test for a Population Proportion” 
Learn by Doing – Proportions (Step 4)
Published: Oct 22nd, 2013
The purpose of this activity is to give you a better sense of the p-value, and in particular, help strengthen your intuition about how it measures the evidence against the […]
Learn by Doing: Proportions (Step 2) Verify Conditions
Published: Oct 22nd, 2013
In each of the following scenarios, you need to decide whether it is appropriate to use the z-test for the population proportion p, and if not, which condition is violated. […]
Learn by Doing – Hypothesis Tests and Confidence Intervals
Published: Mar 18th, 2013
The purpose of this activity is to give you hands-on practice in following up a test for the population proportion p in which Ho has been rejected with a confidence interval, and […]
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)
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)
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 […]
Did I Get This – Proportions (Step 2)
Published: Mar 17th, 2013
The UCLA Internet Report (February 2003) estimated that a proportion of roughly 0.75 of online homes are still using dial-up access, but claimed that the use of dial-up is declining. […]
Learn by Doing – Proportions (Step 2)
Published: Mar 17th, 2013
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12016_188.swf This document is linked from Proportions (Step 2).
Proportions (Step 2)
Published: Mar 17th, 2013
Step 2. Collect Data, Check Conditions, and Summarizing the Data The Four Steps in Hypothesis Testing CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based […]