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
Frequency distribution: A frequency distribution is any arrangement of data that shows the frequency of occurrence of different values of the variable or the frequency of occurrence of values falling within arbitrarily defined ranges of the variable called class intervals.b = Sum of the frequencies below the median class. fm = frequency of median class. So, Median = 94.5 +. = 96.64. MODE. In case of raw data mode is the most frequently occurring observation. And in case of a frequency distribution mode is the mid point of the class having highest frequency.