statistical tests Flashcards
(3 cards)
1
Q
what does Spearman’s rank show
A
if there is correlation between data sets
2
Q
what does Chi Squared display
A
tell us if certain combinations of the categories occur more frequently than we would expect by chance
3
Q
how do you calculate interquartile range
A
n = number of plots on the graph
upper quartile = n + 1 / 4
lower quartile = 3(n + 1) / 4
interquartile = UQ - LQ