Intercorrelations

This page will calculate the intercorrelations (r and r2) for up to five variables, designated as A, B, C, D, and E.
The logic and computational details of correlation and regression
are described in Chapter 3 of Concepts and Applications.
Procedure:T
Enter the values for A, B, C, etc., beginning in the top-most cell of each column. Pressing the "tab" key after each entry will take you down to the next cell in the column. After all data have been entered, click the "Calculate" button.T
The programming for the page requires that any non-empty column have the same number of entries as column A. Any non-empty column that fails to meet this requirement will be skipped. Columns that are completely empty will also be skipped.T
If you wish to perform another analysis with a different set of data: click the "Reset" button if the value of n for the new set of data is or smaller; click the "Reload" button if the value of n is larger than .T

Data Entry:
Variables
count
A
B
C
D
E
r   
 		B
C
D
E
A
B
C
D
 n =
r2  
 		B
C
D
E
A
B
C
D
Click one or another of the adjacent
buttons to calculate the value of t
for any particular pair of variables.
pair
r
t
df
  P   one-tailed
two-tailed

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