Content Tagged “Margin of Error”

Population Proportions

Published: Mar 7th, 2014

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

Population Means – Part 3

Published: Mar 7th, 2014

View Lecture Slides with Transcript – Population Means – Part 3 Video (6:02) This document linked from Population Means – Part 3

Population Means – Part 2

Published: Mar 7th, 2014

View Lecture Slides with Transcript – Population Means – Part 2 Video (4:04) This document linked from Population Means – Part 2

Little Handbook – Confidence Intervals

Published: Feb 16th, 2013

View the Reading on Confidence Intervals – Analogy of a Boy and his Dog (≈ 400 words, this is VERY instructive I think!) View the Reading on Confidence Intervals – Introduction (≈ […]

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 #2

Published: Feb 16th, 2013

This document is linked from Population Proportions.

Did I Get This – Confidence Intervals – Proportions #1

Published: Feb 16th, 2013

This document is linked from Population Proportions.

Population Proportions

Published: Feb 16th, 2013

Confidence Intervals Sample Size Calculations When is it safe to use these methods? Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on […]

Population Means (Summary)

Published: Feb 16th, 2013

Let’s summarize When the population is normal and/or the sample is large, a confidence interval for unknown population mean μ (mu) when σ (sigma) is known is: where z* is […]

Population Means (Part 3)

Published: Feb 16th, 2013

Sample Size Calculations When is it safe to use these methods? What if σ (sigma) is unknown? CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods […]