Purpose:  The purpose of this program is to show how the "width" or "range" of the confidence interval (CI) changes with the size of the sample drawn.  This program also…
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Purpose:  The purpose of this program is to show how the "width" or "range" of the confidence interval (CI) changes with the size of the sample drawn.  This program also…
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Purpose:  The purpose of this program is to illustrate the central limit theorem.  The user may select the type of distribution, the number per sample and the number of samples. …
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Purpose:  The purpose of this program is to graphically demonstrate the concept of correlation with the use of a scatterplot and a regression line.  The user can select various sample…
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Purpose:  The purpose of this program is to display a matrix of squared correlation coefficients to help students to learn to interpret correlations.   Examples: use https://stats.idre.ucla.edu/stat/stata/notes3/hsb2, clear corr read write…
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Purpose:  The purpose of this program is to simulate the rolling of dice to observe the effect on the frequency distribution of the sum of the dots showing on the…
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Purpose:  The purpose of this program is to simulate the rolling of dice to observe the effect on the frequency distribution of the sum of the dots showing on the…
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Purpose:  The purpose of this program is to display an F-distribution for the number of degrees of freedom specified by the user.  Download:  You can download this program from within Stata…
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Purpose:  The purpose of this program is to show the regression line between X and Y in logistic regression, and to demonstrate the influence on this line as the intercept,…
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Purpose:  The purpose of this program is to show the effect of a change in the slope, the constant (i.e., the intercept) or a point (x) on the regression line. …
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