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Measures of Spread

Published: Jul 23rd, 2013

View Lecture Slides with Transcript – Measures of Spread Video (6:25) Video – Recorded Live (1:26) This short video contains an overview of the range and IQR. The original slides […]

Describing Distributions

Published: Jul 23rd, 2013

View Lecture Slides with Transcript – Describing Distributions Video (3:58) Video – Recorded Live (3:40) This short video contains some additional discussion about shapes of distribution including symmetry and modality. […]

One Quantitative Variable

Published: Jul 23rd, 2013

View Lecture Slides with Transcript – One Quantitative Variable Video (4:16) This document is linked from One Quantitative Variable.

Describing Distributions

Published: Jun 28th, 2013

Features of Distributions of Quantitative Variables Shape (Symmetry/Skewness, Modality) Center Spread Outliers Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, […]

Learn By Doing – Standard Deviation

Learn By Doing – Standard Deviation

Published: Dec 21st, 2012

The concept of standard deviation is less intuitive as a measure of spread than the range or the IQR. The following activity is designed to help you develop a better […]

Measures of Spread

Measures of Spread

Published: Aug 21st, 2012

Introduction Range Inter-Quartile Range (IQR) Standard Deviation Properties of the Standard Deviation Choosing Numerical Measures Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods […]

Learn By Doing – Shapes of Distributions (Best Actor Oscar Winners)

Published: Aug 19th, 2012

    (Link to the Best Actor Oscar Winners Data). This document is linked from Describing Distributions.

Interactive Applet – One Quantitative Variable

Published: Aug 19th, 2012

This interactive online data analysis applet is part of the online content for Introduction to the Practice of Statistics, 8th Edition (Moore and McCabe). Choose one of the datasets in the list and click […]

One Quantitative Variable

Published: Aug 19th, 2012

Distribution of One Quantitative Variable Graphs Numerical Measures CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. Video: One […]