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  • STATISTICAL LITERACY: READING TABLES OF RATES AND PERCENTAGES

    This paper presents rules for determining whether an index variable in such a table is part or whole depending on whether the associated margin value is an average, a sum or a 100% sum. Tables with missing margin values -- date-indexed tables, half tables and control tables -- are analyzed. Recommendations are made to improve reader understanding of any table involving rates or percentages.

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  • Three Graphs to Promote Statistical Literacy

    This paper presents three graphs that are used in teaching students majoring in business and the humanities. These graphs show the influence of confounding, the meaning of statistical significance, and the influence of confounding on statistical significance.

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  • Statistical Literacy Curriculum Design

    A specially-designed statistical literacy course is needed for college students in majors that don't require statistics or mathematics. This paper suggests that key topics in conditional probability, multivariate regression and the vulnerability of statistical significance to confounding should be included and presents some new ways to teach these ideas.

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  • The First shall be Last

    This article provides the example of student form orders to demonstrate the unreliability of combining data from two different distributions (or subjects).

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  • Making Students Aware of Bias

    The following exercise can illustrate the problem of bias in estimators to students in statistics courses. In some advanced courses an alternative estimator may be presented and properties of this estimator may be investigated via Monte Carlo studies.

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  • Deriving Regression Lines Without Calculus

    This article describes a method to calculate the least squares line algebraically. First, the author uses a numeric example, which uses calculus, then describes a simpler algebraic method.

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  • Blindfold Climbers

    This article, in a series, describes a game, which tests opposing strategies through aspects of experiemental design.

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  • Calculator Instructions for Elementary Statistics

    This website provides links to instructions for performing basic statistics such as confidence intervals, hypothesis tests, discrete distributions, linear regression, etc. for TI 83, TI 84, and TI 86 calculators.

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  • Data Collection: Data Matters with Excel: Estimating Population Variance

    This activity uses Microsoft Excel to estimate the population variance of grouped data two ways: the variance within a group and the variance between groups. This activity accompanies Section 7.3 of Data Matters.

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  • An Illustration of Bootstrapping Using Video Lottery Terminal Data

    The dataset described in this article contains information on 345 plays on an electronic slot machine and the prize for each. This data can be used to illustrate parametric bootstrapping and tests of independence for two and three-way contingency tables involving random zeroes. Key Words: Simulation; Elementary probabilities.

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