Frequency Distributions
Define the term Frequency Distributions?
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A frequently distribution ( frequency table ) records the number of times each value occurs (frequency).
Grouped Frequency:
The size of each class should be appropriateThe upper and lower limit should be suitable
Cumulative:
To show the total number of items that a value above or below a certain amount occurs.
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Grouped Frequency Distributions: Guidelines for classes: A) There must be between 5 to 20 classes. B) The class width must be an odd number. This will assure that the class mid-points are integers rather than decimals. C) The classes should be mutually exclusive. This signifies that no data valu
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