**Activity 1: Learn By Doing** Category

“Learn By Doing” activities for our course materials.

Published: Oct 22nd, 2013

The purpose of this activity is to give you guided practice exploring the effect of sample size on the significance of sample results, and help you get a better sense […]

Published: Oct 22nd, 2013

Suppose that only 40% of the U.S. public supported the general direction of the previous U.S. administration’s policies. To gauge whether the nationwide proportion, p, of support for the current administration is […]

Published: Oct 22nd, 2013

The objective of this activity is to give you guided practice in carrying out the z-test for the population proportion (p). Background: This activity is based on the results of a […]

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 […]

Published: Oct 22nd, 2013

Complete the following activities to test your understanding of p-values. In 2007, a Gallup poll estimated that 45% of U.S. adults rated their financial situation as “good.” We want to […]

Published: Oct 22nd, 2013

This document is linked from Proportions (Step 3).

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. […]

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 […]

Published: Oct 22nd, 2013

Consider the population of part-time college students. Suppose that 60% of this population is female. Here is the sampling distribution for the proportion of females in random samples of n […]

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 […]