Correlations Flashcards
Correlation
correlation= relationship between 2 co variables of a scattergraph
(no cause and effect)
Scatter graph correlations
/ positive (both co variables increace)
\ negative (one co variable increaces while the other decreaces)
:•: no corrolation (no clear correlation)
n curvilinear correlarion ( goes up then down in a arc)
coefficient
coefficient
a mathmatical representation of to what degree the two results are related or linked
-1 0 and 1 are rare but tendency towards one gives info concerning the
-/+ (nature) 0-1(strength) of relationship between the scores
-1–0 = negative correlation
0 = no correlation
0-1 = positive correlation
hypothesis
≠ significant difference
= Significant relationship
Weakness
no cause and effect
we wouldn’t know what factor is the potential cause
Strength
easy to interperate data
therefore less likley to misinterperate data and come to an invalid conclusion