Chapter 1 the study of collocations

4.1.1.2  Descriptive Statistics for Group 2 
 
The results of the analysis for the data in Group 2 reveal normal 
distributions for the dependent variables: Holistic Rating (Kurtosis: .12, 
Skewness: -.447), Target-Like Use of Articles (Kurtosis: .134, Skewness: -.747), 
and S-Nodes per T-Unit (Kurtosis: .251, Skewness: .611).  The data for Lexical 
 
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Density (Kurtosis: 7.005, Skewness: 1.94) and Error-Free T-Units (Kurtosis: 
1.067, Skewness: 1.259) reveal distributions that are peaked and positively 
skewed.  Finally, the results of the analysis for the dependent variable Words 
per T-Unit show a peaked distribution (Kurtosis: 3.312, Skewness: .891).