The logic and computational details of the twoway ANOVA for independent samples are described in Chapter 16 of Concepts and Applications. 
_{Q}Number of rows in analysis = _{Q}Number of columns in analysis = _{Q} Setup 

Unweighted 
Click this button only if you wish to perform an unweightedmeans analysis. Advice: do not perform an unweightedmeans analysis unless you have a clear reason for doing so. 

Weighted

Click this button to return to a standard weightedmeans analysis 
Summary Data  
Within each box: Item 1 = N Item 2 = X Item 3 = Mean Item 4 = X^{2} Item 5 = Variance Item 6 = Std. Dev. Item 7 = Std. Err. 

C1  C2  C3  C4  Total  
R1  
R2  
R3  
R4  
Total 
 
ANOVA Summary  
Source  SS  df  MS  F  P 
Rows  
Columns  
r x c  
Error  
Total 
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