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  2. Statistical Inference & Techniques
  3. Significance Testing Principles
Assumptions 15
Effect Size 31
P-value 38
Power 36
Sample Size Determination 26
Significance Level 33
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  • Dataset: Food Interaction Study

    This dataset comes from a study of 8 healthy males randomly assigned to a two-period crossover design, in which they either fasted and then ate, or ate and then fasted. They were given one dose of a drug, blood samples were collected and data on plasma levels were collected. Questions from this study refer to the absorption of the drug. A text file version of the data is found in the relation link.

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  • Dataset: Exploratory Pharmacokinetic Study

    This dataset comes from a study of 7 healthy males given a topical medication. Blood samples were collected at specified time intervals, and data on isomer concentrations were collected. Questions from this study refer to the relationship between time and concentration of the isomer. A text file version of the data is found in the relation link.

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  • Dataset: Oral Toxicity Study in Dogs

    This dataset comes from a study on dogs 4 doses of a drug. Data on the alkaline phosphatase levels in their blood was collected throughout the experiment. Questions from this study refer to the relationship between dosage of the drug and alkaline blood levels. A text file version of the data is found in the relation link.

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  • Confronting Some Statistical Inference Misconceptions

    This lesson poses a series of questions designed to challenge students' possible misconceptions of statistical inference and hypothesis testing. The lesson uses the statistical software, Fathom, and three datasets with information on the number of chips per canister distributed by a snack maker. The data can found at the relation address below.

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  • Quote: Brinner on Anecdotes

    The plural of anecdote is not data. Attributed to American economist Roger E. Brinner in the on-line list of quotes at www.keypress.com/fathom/fathom1/quotes.html

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  • Quote: Holmes on Data

    Data! Data! Data! he cried impatiently. "I can't make bricks without clay." Stated by Sherlock Holmes in "The Adventure of the Copper Beeches" by scottish author Sir Arthur Conan Doyle (1859 - 1930)

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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: Hypothesis Testing is Fun!

    Song describes concepts and steps of hypothesis testing. May be sung to the tune of "Mr. Bojangles" (Jerry Jeff Walker). Musical accompaniment realization and vocals are by Joshua Lintz from University of Texas at El Paso.

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  • Quote: Ramseyer on significance

    Old statisticians never die they just become nonsignificant. Quote by Gary Ramseyer (1934 - 2012) listed as joke #56 on http://www.ilstu.edu/~gcramsey/Gallery.html Gary C. Ramseyer's First Internet Gallery of Statistics Jokes

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  • Song: ANOVA Man

    Song includes basic vocabulary from ANOVA. May be sung to "Nowhere Man" (John Lennon, Paul McCartney)

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