Description Usage Arguments Value

A two-sided confidence interval with a known variance

1 | ```
z_ci_sigma(mu, xbar, confidenceLevel, variance, n)
``` |

`mu` |
(what we believe to be) the true population mean |

`xbar` |
the sample mean of the data |

`confidenceLevel` |
the significance level for the CI, i.e., 1 - alpha |

`variance` |
the *known* variance of the data |

`n` |
the number of data entries |

returns a test statistic, a p-value, and a confidence interval consisting of lower and upper bounds

Embedding an R snippet on your website

Add the following code to your website.

For more information on customizing the embed code, read Embedding Snippets.