M.4.4.1

Summarize and describe distributions. Summarize numerical data sets in relation to their context, such as by: a. Reporting the number of observations.  b. Describing the nature of the attribute under investigation, including how it was measured and its units of measurements.  c. Giving quantitative measures of center (median and/or mean) variability (interquartile range and/or mean absolute deviation), as well                    as describing any overall pattern and any striking deviations from the overall pattern with reference to the context in which the data                      were gathered.  d. Relating the choice of measures of center and variability to the shape of the data distributions and the context in which the data was gathered.