# Author Archives: jordanconroy

## Hypothesis Test for Two Independent Proportions

A Hypothesis Test for two Independent Proportions answers a research question through statistical analysis about two independent proportions. This hypothesis test looks at whether or not there is a significant difference between the two proportion variables. Using this hypothesis test our test statistic will be Z, and we will be therefore be modeling with a Null Distribution. This hypothesis […]

## Standard Deviation

The Standard deviation of a data set shows how much variance the data has from the mean. A low standard deviation entails that the data points are clustered close to the mean, and the data has a small range. If you have a high standard deviation then the data points are spread widely over a large range. […]