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
used to separate the classes so that there are no gaps in the frequency distribution class limits should have the same decimal place value as the data, but the class boundaries should have one additional place value and end in a 5