Statistics Notes: Statistics is a crucial field of study that helps students learn to collect, analyze, and interpret data, understand patterns, and draw meaningful conclusions. For students up to ...

It is hard to listen to the news and not hear the statistic that one in five women will be sexually assaulted or will be victims of attempted sexual assault while at college. President Obama and Joe ...

Editors note: A recording of the conversation is embedded below. Every week, STAT+ subscribers get access to exclusive conversations with biotech, pharma, and health tech leaders. This week, STAT ...

A z-test for a population mean tests the population mean against a hypothesized value. It is appropriate when the variances are known and the sample size is large. This applet allows users to change ...

A t-test for a population mean tests the population mean against a hypothesized value. It is appropriate when the population standard deviation is unknown and the sample size is small. This applet ...