The student does not use adequate statistical analysis of data. The organization of the data is inadequate to support the conclusion. The organization of data and analysis of data is adequate. The student uses simple and valid statistical analysis procedures. Some flaws may be apparent.
Statistical analysis is limited to central tendency or simple graphs.
The organization of the data is just adequate to support the conclusion. The organization of the data is very clear and descriptive. The student makes appropriate use of the proper statistical analysis procedures. The organization of the data provides a clear and convincing evidence for the conclusion. The conclusion does not communicate the meaning of the results.