ll measuring the association of two Variables ( Correlation Coefcients)
ls not causation _ ..
__ Correlation provides for the strength and direction of the relationship between two
_' correlation: As X increases Y decreases
-One way analysis of variance is used to compare the means.
-The test has only one grouping variable
Developed by: Sir Ronald Fisher
Groups needed: Three or more
K Groups = three or mOre. categories or levels dene the groups that
Fisher's ( small numbers comparing two different situations)
exact test. chi-square statistic chi-square with a yates)
-Can be used as an alternative to chi square test when assumptions are not met
Pvalue: probability of observed data
Chi ~square test