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Key Concept is
Mathematics -- Probability
146 - 150
Distribution of the Sample Sum, Sample Mean, Sample Variance, and Sample Chi-Squared
This applet, created by Philip B. Stark of the University of California, Berkeley, illustrates this concept of the sampling distribution of a statistic by simulating the sampling distribution of the sample sum, mean,...
Confidence Interval for the Estimated Mean of a Population
Given a sample of N values of X randomly drawn from a normally distributed population, this program will calculate the .95 and .99 confidence intervals (CI) for the estimated mean of the population. Data entry is simple...
Log-Linear Analysis for an AxBxC Contingency Table
Richard Lowry of Vassar College has created a log-linear analysis which is a version of chi-square analysis. The relevant values are calculated by way of weighted natural logarithms. This page will calculate several...
One-Way Analysis of Variance for Independent or Correlated Samples
This page, created by Richard Lowry of Vassar College, will compute the one-way ANOVA for up to five samples. The design can be either for independent samples or correlated samples (repeated measures or randomized...
2x2x2 Analysis of Variance for Independent Samples
This page, created by Richard Lowry of Vassar College, will perform an analysis of variance for the situation where there are three independent variables, A, B, and C, each with two levels. The user may enter data...
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