Tests et autres shits, de slide deck 17 décroissant

Question 1

Assumptions of ANOVA

Answer 1

1. all populations are normally distributed
2. all pops have the same variance
3. independent random samples from each population

Question 2

What is the test used in the ANOVA approach?

Answer 2

F test

Question 3

What is between group variation and what is within group variation? What do they add up to?

Answer 3

Between: treatment variation
Within: error variation
They add up to total variation

Question 4

explain the Bonferroni correction

Answer 4

The Bonferroni correction is based on the idea that if
an experimenter is simultaneously testing k hypotheses
on a set of data, the probability of type I error is offset
by testing each hypothesis at a statistical significance
level 1/k times what it would be if only one hypothesis
were tested.