t-test & ANOVA (Analysis of Variance)

t-test & ANOVA (Analysis of Variance)

What are they? The t-test is a method that determines whether two populations are statistically different from each other, whereas ANOVA determines whether three or more populations are statistically different from each other. Both of them look at the difference in means and the spread of the distributions (i.e., variance)…

Common Biostatistical Methods Explained

Common Biostatistical Methods Explained

In the biology field, we often ask: how does this sample group compare to another sample group? Biostatisticians and bioinformaticians can help answer this question by applying complex algorithms or concepts. They love the math, but … most of us simply want to understand the basic principles behind these analyses.…