Unformatted text preview: The aspect of graphics yielded fairly close statistical results when an analysis was carried out. The mean value averaged at 3.4, the median value at 3.5 and the modal value at 4. These three measures of central tendency seemed to depict close similarity. The measures of dispersion (variance and standard deviation) averaged at 1.202 and 1.096 (respectively) from the mean value. The skewness of the data was negative, averaging at -.414 but more skewed in colour than in artwork. The table below further illustrates these results....
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- Spring '12
- Standard Deviation, Mean, Analysis of the Graphical Aspect