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
Steps for constructing a frequency distribution from a data set. 1.If the number of classes is not given, decide on a number of classes to use. This number should. be between 5 and 20. 2.Find the class width: Determine the range of the data and divide this by the number of classes.