FREQUENCY DISTRIBUTION FORMULA
A FREQUENCY DISTRIBUTION FORMULA is the representation of data, either in a graphical or tabular format, to displays the number of observation within a given integral.
In Statistics, a frequency distribution is a table that displays the number of outcomes of a sample. Each entry occurring in the table contains the count or frequency of occurrence of the values within a group.
SOLVED EXAMPLES
Example: A survey was taken in Maple Avenue. In each of 20 homes, people were asked how many cars were registered to their households.The results were recorded as follows:
3, 1, 4, 0, 2, 1, 5, 2, 1, 5, 4, 2, 3, 2, 0, 2, 1, 0, 3, 2.
Present this data in Frequency Distribution Table.
Also find maximum number of cars registered by household.
Solution: Divide the number of cars (x) into intervals, and then count the number of results in each interval (frequency).
Thus creating the frequency Distribution Table
Number of Cars
|
Frequency
|
0
|
3
|
1
|
4
|
2
|
6
|
3
|
3
|
4
|
2
|
5
|
2
|
Thus, from the table it is clear that the 6 household has 2 car.
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