# Activity 1: Learn By Doing Category

“Learn By Doing” activities for our course materials.

## Learn by Doing – Visualizing Relationship between Confidence and Width

Published: Feb 16th, 2013

The purpose of this activity is to use computer simulation to visually explore and reinforce the relationship between confidence and width, for confidence intervals. We will use an applet to […]

## Learn by Doing – Connection between Confidence Intervals and Sampling Distributions

Published: Feb 16th, 2013

The purpose of this activity is to help give you a better understanding of the underlying reasoning behind the interpretation of confidence intervals. In particular, you will gain a deeper understanding of […]

## Learn by Doing – Confidence Intervals: Means #1

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 pregnancy length. A sample of […]

## Learn by Doing – Using the Sampling Distribution of x-bar #2

Published: Feb 12th, 2013

The annual salary of teachers in a certain state X has a mean of \$54,000 and standard deviation of σ = \$5,000. http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_09013_152.swf http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_09014_152.swf This document is linked from Sampling […]

## Learn by Doing – Using the Sampling Distribution of x-bar

Published: Feb 12th, 2013

Recall our earlier scenario: The Federal Pell Grant Program provides need-based grants to low-income undergraduate and certain postbaccalaureate students to promote access to postsecondary education. According to the National Postsecondary […]

## Learn by Doing – Sampling Distribution (x-bar)

Published: Feb 12th, 2013

The Federal Pell Grant Program provides need-based grants to low-income undergraduate and certain postbaccalaureate students to promote access to postsecondary education. According to the National Postsecondary Student Aid Study conducted […]

## Learn by Doing – Using the Sampling Distribution of p-hat

Published: Feb 12th, 2013

The proportion of left-handed people in the general population is about 0.1. Suppose a random sample of 225 people is observed.

## Learn by Doing – Sampling Distribution of p-hat

Published: Feb 11th, 2013

According to the National Postsecondary Student Aid Study conducted by the U.S. Department of Education in 2008, 62% of graduates from public universities had student loans. http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_09001_148.swf Hint http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_09002_148.swf […]

## Learn by Doing – Find Normal Scores

Published: Feb 9th, 2013

Recall the example from the last activity: According to the College Board website, the scores on the math part of the SAT (SAT-M) in a certain year had a mean […]

## Learn by Doing – Find Normal Probabilities

Published: Feb 9th, 2013

According to the College Board website, the scores on the math part of the SAT (SAT-M) in a certain year had a mean of 507 and standard deviation of […]