correlations Flashcards
1
Q
what does a correlation co efficient
A
illustrates the strength and direction of two or more co variables
2
Q
what does scatter graph show
A
one co variable on x axis and other on y axis
3
Q
define zero correlation
A
no relationship between 2 co variables
4
Q
what does a correlation show
A
the relationship between 2 co variables
5
Q
what statistical tests can be used to analyse a correlation
A
spearman’s rho
pearson’s R
chi squared
