Holistic Health. Weight gain that occurs when your weight increases without increasing your food intake has many causes. Thyroid hormone deficiency may slow metabolism, resulting in weight gain from fat gain and water retention.
used when the range is large and classes several units in width are needed ungrouped frequency distribution used for numerical data and when range of data is small; each class is only one unit
The median can be used as a measure of location when a distribution is skewed, when end-values are not known, or when one requires reduced importance to be attached to outliers, e.g., because they may be measurement errors. The median of a uniform distribution in the interval [ a, b ] is (a + b) / 2, which is also the mean. 2  The median of a Cauchy distribution with location parameter x 0 and scale parameter y is x 0, the location parameter.