# Shared Flashcard Set

## Details

Statistics
Statistics 6- Correlation and Regression
6
Archaeology
Undergraduate 1
04/13/2010

## Cards Return to Set Details

Term
 What are the two ways of pattern hunting?
Definition
 to present a Visual display relationship between variables (scattergram), secondly by numbers
Term
 What is Correlation?
Definition
 the strength of a relationship, the correlation of coefficient is measured as r and the maximum value is 1.
Term
 What does r(squared) mean in relation to correlation?
Definition
 coefficient of determination. It is used to remove - or + and can be transferred to %
Term
 What is Product Moment Correlation Coefficient (PMCC)?
Definition
 Used on interval and ratio data scales.E= sum ofr= nExy-(Ex)(Ey)/(square root of)(nEx(squared)- (Ex)(squared))(nEy(squared)- (Ey)(squared))
Term
 What is Spearman's Rank Correlation Coefficient (SRCC)?
Definition
 Used of Ordinal Scale data.r(squared)= 1- 6Ed(squared)/ n(n(squared)-1)E=sum of
Term
 What is Regression?
Definition
 To describe a relationship mathematically using y=f(x)y= the dependant valuex= the independant value.
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