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  • Quote: Russell on Proofreading Statistics

    Always expect to find at least one error when you proofread your own statistics. If you don't, you are probably making the same mistake twice. Quote of american demographer Cheryl Russell appearing in "Rules of Thumb" by Tom Parker (Houghton Mifflin, 1983) p. 124. Also to be found in "Statistically Speaking the dictionary of quotations" compiled by Carl Gaither and Alma Cavazos-Gaither p. 81

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  • Cartoon: Airport Security

    Cartoon by John Landers (www.landers.co.uk) based on a joke popularized on the internet in 2003 soon after the start of the Iraq war (usage of this pun was rare before Jeff Gabbage's October 12, 2003 article, "She's developed weapons of math instruction" in the "Philadelphia Inquirer."). Cartoon is free to use in the classroom and on course web sites.

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  • Cartoon: Professor's Directions

    A cartoon for teaching that confidence intervals do not always contain the true parameter. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Cartoon: Confidence

    A cartoon to teach about the interpretation of confidence in inference. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Cartoon: Discarding Outliers

    A cartoon to accompany a discussion of outliers and their posible underlying causes. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Cartoon: Spreadsheet Experience

    A cartoon to teach about the use of spreadsheet programs. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Cartoon: Data Management Work

    A cartoon to teach about data management issues. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Group Discussion in Online Statistics Courses

    This case study discussess methods to successfully adapt graduate-level statistics courses for the online environment. Using small-group discussion assignments is not only a great way to create an interactive learning community; it also provides instructors with valuable information about students' reasoning.

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  • Quote: Hoyle on Outliers

    I don't see the logic of rejecting data just because they seem incredible. A quote of British Astronomer Sir Fred Hoyle (1915 - 2001) found in "Statistically Speaking - A Dictionary of Quotations" compiled by Carl Gaither and Alma Cavazos-Gaither (IOP publishing, 1996) p. 150.

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  • Dataset Example: Televisions, Physicians, and Life Expectancy

    This article describes a dataset on life expectancies, densities of people per television set, and densities of people per physician in various countries of the world. The example addresses correlation versus causation and data transformations. Key Word: Prediction.

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