Browsing Category

Analytics

HOW TO USE DESCRIPTIVE ANALYTICS

Descriptive Analytics How frequently you use statistical analyses in your work?  Is it every day? Every week? Every quarter? Annually?None at all? Now it is time together with your data and evaluate your performance and get ready to take…

ANOVA Using SPSS

ONE-WAY CLASSIFICATION ________________________________________________________________________________________________ Definition   :   Analysis of variance (ANOVA) uses F-tests to statistically assess the equality of means when you have…

Linear Regression Assumptions

Linear regression is an analysis that assesses whether one or more predictor variables explain the dependent (criterion) variable.  The five key regression assumptions are: Linear relationship Multivariate normality No or little…

Hypothesis Testing

The objective of testing statistical significance of  (also ) by stating that we want to test the validity of the null hypothesis (HN), that the true population parameter β=0 against the alternative hypothesis (HA) that is different from…

Linear Regression Analysis using R

One of the most frequent used techniques in statistics is linear regression where we investigate the potential relationship between a variable of interest (often called the response variable but there are many other names in use) and a set…