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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 […]

Population Proportions

Published: Mar 7th, 2014

View Lecture Slides with Transcript – Population Proportions Video (4:13) This document linked from Population Proportions

Did I Get This – Hypothesis Tests for Proportions (Extra Practice)

Published: Oct 23rd, 2013

After reading an article using research done by the Organization for Economic Co-operation and Development (OECD) based in France, a statistics student decided to conduct his own study to see […]

Did I Get This – Connection between Confidence Intervals and Hypothesis Tests

Published: Oct 22nd, 2013

The UCLA Internet Report (February 2003) estimated that roughly 8.7% of Internet users are extremely concerned about credit card fraud when buying online. A study was designed in order to […]

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

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 […]

Wrap-Up (Estimation)

Published: Feb 16th, 2013

In this section on estimation, we have discussed the basic process for constructing confidence intervals from point estimates. In doing so we must calculate the margin of error using the […]

Did I Get This – Confidence Intervals – Proportions #3

Published: Feb 16th, 2013

The purpose of this activity is to use statistical software for calculating the sample proportion. Software is particularly useful when all you have are the raw data (no summary has […]

Did I Get This – Confidence Intervals – Proportions #2

Published: Feb 16th, 2013

    This document is linked from Population Proportions.

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. This […]