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Statistical Topic

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  2. Probability
  3. Elementary Probability
General Rules 130
Sample Space & Sets 18
Counting Methods for Probability 18
Random Variables 28
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  • Random variables

    This site gives an explanation, a definition and an example of random variables including discrete and continuous. It also defines a density curve.

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  • Mean and Variance of Random Variables

    This site gives an explanation, a definition and an example of mean and variance of random variables. Definitions and properties are also included.

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  • Conditional Probability

    This site gives an explanation, a definition and an example of conditional probability. Topics include the probabilities of intersections of events and Bayes' formula.

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  • Probability Models

    This site gives an explanation, a definition and an example of probability models. Topics include components of probability models and the basic rules of probability.

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  • Categorical Data

    This site gives a definition and an example of categorical data. Topics include two-way tables, bar graphs, and segmented bar graphs.

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  • Normal Distributions

    This site gives a definition and an example of normal distributions. Topics include assessing normality and normal probability plots.

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  • Numerical Summaries

    This site gives a definition and an example of numerical summaries. Topics include mean, median, quantiles, variance, and standard deviation.

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  • Scatterplot

    This site gives a definition and an example of scatterplots. Topics include positive and negative association.

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  • Boxplot

    This site give a definition and an example of boxplots. Topics include outliers, medians, as well as lower and upper quartiles.

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  • Histogram

    This site gives a definition and an example of histograms.

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