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).
Activity 1: Learn By Doing Category 
“Learn By Doing” activities for our course materials.
Learn by Doing – State Hypotheses (Proportions)
Published: Mar 17th, 2013
In each of the following examples, a test for the population proportion (p) is called for. You are asked to select the right null and alternative hypotheses. Scenario 1:The UCLA […]
Learn by Doing – Proportions (Overview)
Published: Mar 8th, 2013
According to the American Association of Community Colleges, 23% of community college students receive federal grants. The California Community College Chancellor’s Office anticipates that the percentage is smaller for California […]
Learn by Doing – Review Types of Variables
Published: Mar 8th, 2013
For each scenario, identify the variable as either quantitative or categorical. http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12014_186.swf This document is linked from Proportions (Introduction & Step 1).
Learn by Doing – Power of Hypothesis Tests
Published: Mar 8th, 2013
We will use the following applet for populations means in this activity which will help you understand the concept of power. Interactive Applet: Power We will start with two examples […]
Learn By Doing – Using p-values
Published: Mar 8th, 2013
The following two hypotheses are tested: Ho: The proportion of U.S. adults who oppose gay marriage is roughly 50%. Ha: The proportion of U.S. adults who oppose gay marriage is […]
Learn by Doing – State the Hypotheses
Published: Mar 8th, 2013
According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is 0.22. A researcher suspects that the rate is […]
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 […]
Learn by Doing – Confidence Intervals – Proportions #1
Published: Feb 16th, 2013
A poll asked a random sample of 1,000 U.S. adults, “Do you think that the use of marijuana should be legalized?” 560 of those asked answered yes. http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_11014_172.swf […]
Learn by Doing – Sample Size
Published: Feb 16th, 2013
A study was done on pregnant women who smoke during their pregnancies. In particular, the researchers wanted to study the effect that smoking has on the pregnancy length. A sample […]