Discussing Samples. Discussion of a sample - using USSCSI When describing sample distribution use these headings: - I nitial Visual Interpretation - S hape (Symmetry, Skew, Tail) - C entre - S pread - S hift/Overlap - U nusual Features (gaps, outliers).
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Discussion of a sample - using USSCSIWhen describing sample distribution use these headings:- Initial Visual Interpretation- Shape (Symmetry, Skew, Tail)- Centre- Spread- Shift/Overlap- Unusual Features (gaps, outliers)
When describing dot plots: discuss symmetry, skew, outliers, gaps, clusters
shape is over simplified
- Not useful when frequencies of individual data are low, or when data is unrounded and continuous. In this case grouping the data in a histogram is better.