SPSS

Often when you perform statistical tests in SPSS, the output table will contain a Sig. (2-tailed) value. This value represents the 2-tailed…

Multicollinearity in regression analysis occurs when two or more predictor variables are highly correlated to each other, such that they do not provide unique or…

The best way to understand a dataset is to calculate descriptive statistics for the variables within the dataset. There are three common…

A Chi-Square Test of Independence is used to determine whether or not there is a significant association between two categorical variables. This…

The Mahalanobis distance is the distance between two points in a multivariate space. It’s often used to find outliers in statistical analyses that involve…

A Chi-Square Goodness of Fit Test is used to determine whether or not a categorical variable follows a hypothesized distribution. This tutorial explains how to…

A five number summary is a way to summarize a dataset using the following five values: The minimum The first quartile The median The…

The coefficient of variation is a way to measure how spread out values are in a dataset relative to the mean. It is calculated…