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Graphical Displays 91
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  • Mean

    This resource defines and explains the arithmetic mean using an example on employee salaries.

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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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  • Quote: Huxley on Hypotheses

    The great tragedy of Science - the slaying of a beautiful hypothesis by an ugly fact. A quote of English biologist Thomas H. Huxley (1825 - 1895) from his Presidential address in 1870 to the British Association for the Advancement of Science. Published in "Biogenesis and Abiogenesis," vol. 8, Collected Essays (1894).

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  • Quote: Reynolds on Bad Variables

    ... statistics - whatever their mathematical sophistication and elegance - cannot make bad variables into good ones. Quoted from "Analysis of Nominal Data" by H.T. Reynolds (Sage, 1984) p. 8

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  • Cartoon: Meaningless Statistics

    A cartoon that can be used in teaching about summary statistics. 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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  • Song: What's the Average?

    Song invokes tradeoffs and pitfalls of there being (at least) two kinds of average: mean and median. May be sung to tune of "Love and Marriage" (Sammy Cahn and Jimmy Van Heusen). Musical accompaniment realization and vocals are by Joshua Lintz from University of Texas at El Paso.

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  • Song: Standard Score

    Song is simply a quick jingle to help students recall the conceptual interpretation of a standard score (or, z-score), which in turn should help make sense of the formula. May be sung to tune of "Row, Row, Row Your Boat". Recorded June 26, 2009 at the OSU Whisper Room: Larry Lesser, vocals/guitar; Justin Slauson, engineer.

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  • Song: Heteroscedasticity

    Playful song has recurrent mention of the term heteroscedasticity.

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  • Song: Average Love Songs

    Song includes facts and connections about the mean while making commentary on typical pop radio love songs. May be sung to the tune of "Silly Love Songs" (Paul McCartney). Appeared in September 2005 "Amstat News" and in November 2005 "The Journal of Irreproducible Results". Musical accompaniment realization and vocals are by Joshua Lintz from University of Texas at El Paso.

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  • **Classifying Statistics Problems

    This JAVA applet assists the user in developing skills to classify a problem as one of the various types of confidence intervals, hypethesis tests and Chi Squared tests. This is not an easy application, but the comprehensive hints provided will improve the users skills in making such classifications.

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