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  • Case Studies in Process Modeling (Engineering Statistics Handbook)

    The online "Engineering Statistics Handbook" provides a section (4.6 Case Studies in Process Modeling) using detailed realistic examples from physical science and engineering applications. Examples in Load Cell Calibration, Alaska Pipeline Ultrasonic Calibration, Ultrasonic Reference Block Study, and Thermal Expansion of Copper Case Study are presented in a step-by-step manner.

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  • Chi Square Tests

    The eighth chapter of an online Introduction to Biostatistics course. Lecture notes are provided. Additionally, links for additional reading and exercises with solutions are provided.

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  • Simple Linear Regression

    This tutorial on Simple Linear Regression includes its definition, assumptions, and characteristics as well as related statistics and hypothesis test procedures. One section instructs users to perform simple linear regression in the WINKS software, but those without the software can still use the tutorial. An exercise is given at the end that can be done with any statistical software package.

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  • The Beta Distribution

    This applet allows the user to adjust a (1st shape) and b (2nd shape) parmaters of the Beta distribution with a slider or manual input. The applet allows the user to fix the x and or y axes. The user immediately sees how this affects the the shape of the graph as well as the variance and the expected value. This page was formerly located at http://www.stat.vt.edu/~sundar/java/applets/BetaDensityApplet.html

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  • Log-likelihood ratio

    This site offers an involved definition of the likelihood ratio test with examples and formulas.

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  • Likelihood Ratio Test

    This site focuses on using the LRT to compare two competing models.

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  • Mean and Median

    This applet allows students to manipulate a histogram and observe changes in the mean and median. The site includes links to exercises and descriptions of measures of center and spread.

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  • Data Collection: American FactFinder

    This resource presents population, housing, economic, and geographic data. (U.S. Census Bureau)

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  • Statistical Education through Problem Solving

    This resource includes problem-based teaching and learning materials for statistics that are based around specific problems arising in biology, business, geography and psychology. The STEPS modules are intended to be used as problem-based lab material that may support existing coursework.

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  • Binomial Probability Model

    This resource defines and explains binomial probability, including examples and exercises for the learner.

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