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One Numerical Variable

  • 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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  • 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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  • Playful song has recurrent mention of the term heteroscedasticity.
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  • 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 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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  • 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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  • This is a Java Applet, which allows you to load your personal data and edit data. It provides interval and endpoint values and the option to view as a histogram.
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  • This activity uses Microsoft Excel and a deck of playing cards to gain experience with probability concepts. Students will discuss independent events, sample spaces, equally likely probabilities, probability of the intersection of two independent events, probability of the union of two events, percentages, and complements of given events within the context of these simulations. The Excel file and handouts are provided.
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  • This tutorial exposes students to conducting chi-square tests in SPSS. This html based tutorial provides extensive screen shots and an example data set.
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  • This section of an online textbook discusses calculating the exact probability using observed sets of frequencies, constructing frequency tables, and computing p-values. Exercises and answers are provided.
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