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CORRELATION
AND
REGRESSION - Coggle Diagram
CORRELATION
AND
REGRESSION
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Pearson Correlation
measures the degree and the
direction of the linear relationship
between two variables
Coefficient of Determination
measures the proportion of variability in one variable that can be determined from the relationship with the other variable
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Spearman Correlation
the results of when Pearson correlation formula is used with data from an ordinal scale
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Linear Relationship
relationship between two variables where their connection can be represented by a straight line on a graph
Restricted Range
a situation where the values of a variable within a sample are less variable than the full range of possible values in the population
Sum Of Products
a way to represent a logical function by combining AND (product) and OR (sum) operations
SP Definitional Formula
This formula calculates the sum of the products of the deviations of each data point from its respective mean for two variables, X and Y
SP Computational Formula
calculating the product of the deviations of each data point from its respective mean for two variables, and then summing these products