Key Points Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions ...

Key Points Fisher’s 1-Way ANOVA is a basic statistical test for detecting differences in the means between two or more sample ...

How to Conduct a Statistical Analysis of Job Performance. According to data management and statistical analysis professionals like DMSA, job performance data must be clearly defined and discussed ...

Learning how to perform statistical data analysis in Microsoft Excel can help you improve your analytics and reporting. This guide takes you ...

Course TopicsR is a free computing and graphical software/environment for statistical analysis. This short course is designed to provide a basic statistical analysis in R using two data. The first ...

Once you have performed an experiment, how can you tell if your results are significant? The key is statistical examination, which allows you to determine whether your data are consistent with ...

SPSS is the name of a series of software packages used for data analysis. Its main selling point is that it allows researchers to analyze data without using advanced statistical analysis skills.

The sample size is thus not an assigned number but varies from one sample to another, according to the way in which the observations run. Sequential Analysis of Statistical Data Applications.

Science Police Data Suggests Black and Hispanic Drivers Are Searched More Often Than Whites We filed public records requests to gain access to police records. We found evidence of racially biased ...

Analysis of variance (ANOVA) is a statistical analysis tool that separates the total variability found within a data set into two components: random and systematic factors.