asdasdasd Flashcards
(9 cards)
Normality?
P > 0.05, cannot reject null
When running on 2 seperate variable, if 1 isn’t normal we use non parametric tests
Why do we test for correlation?
Measurement of the strength of variables relationship
Strong correlation (0.5-1)
Moderate correlation (0.3-0.49)
Weak correlation (0.29 or below)
Linear regression?
Analysis of relation,
Look at table to see if good or bad relation
T test/ Wilcoxon signed rank?
Comparing the mean of 1 sample to another
Unpaired, relationship between group
Paired, no relationship between group
Two sided, can check if less more or both
Anova/Kruskal willis?
Comparing means of more than 2 groups, tells us if there is a sig diff but not where
long dataset
Tukey6/Dunn?
Post hoc ran after to find out why they’re different
Done in long
Chi?
Whether observed results are in line with expected
pearsons correlation is for?
Normally distributed
spearmans correlation is for?
non normally distributed