This applet allows users to drag the black dots in the plot to change the group means. The user can also change the standard deviation and sample size (n) by dragging the slider on the left. After ...

A key statistical test in research fields including biology, economics and psychology, analysis of variance (ANOVA) is very useful for analyzing datasets. It allows comparisons to be made between ...

A key statistical test in research fields including biology, economics and psychology, analysis of variance (ANOVA) is very useful for analyzing datasets. It allows comparisons to be made between ...

New to this type of analysis? It's a classic statistics technique that is still useful. Here's a technique for doing a one-way ANOVA using R. Analysis of variance (ANOVA) is a classical statistics ...

When you are planning to analyze data from more than two groups with a one-way ANOVA, you need to calculate your sample size and power accordingly. These computations are available, prospectively, for ...

Definition: Analysis of variance (ANOVA) is an analysis tool used in statistics to check if the means of two or more groups are significantly different from each other. ANOVA checks the impact of one ...

This short course will cover the one sample t-test, the two sample t-test, matched-pairs t-test, one-way ANOVA (Analysis of Variance), two-way ANOVA and ANCOVA (Analysis of Covariance). These ...

In the pharmaceutical industries, validation of analytical methods is a critical process that confirms the reliability and appropriateness of a method for its intended application. Method validation ...

The t-tests and analysis of variance (ANOVA) tests are perhaps the most famous statistical tests. However these tests rely very heavily on the fulfillment of key assumptions by the data under ...

Statistical analysis is a vital component of improving workflows in a given project. To make the most of your data analysis, ...