Description Usage Arguments Value Author(s) Examples

An app to investigate how sample size and confidence level affect the width of a confidence interval. A sample is drawn from the input population and a confidence interval for the population mean is calculated. The kernel density plot for the population and the histogram for each new sample are plotted, along with the confidence interval. Summary information is output to the console to tally the number of times the computed confidence interval covers the true population mean and how many times it misses. There is an option to draw 100 or 1000 samples at a time.

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`form` |
a formula of the form ~var. |

`data` |
A data frame from which var is drawn. |

Graphical and numerical output

Rebekah Robinson rebekah_robinson@georgetowncollege.edu

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