Tables.
Data can be collected in different ways: questionnaires, sampling, censuses, observations, etc,
censuses, observations, etc. In any case, once collected, they must be summarized to facilitate their analysis. The most elementary way to summarize them is through tables. Then, based on these tables, any of the following data presentation tools can be constructed.
following data presentation tools can be constructed on the basis of these tables..
Frequency is the number of times the same value is repeated.
With the relative frequency we know the number of times that each value appeared but in relation to the other values. The sum of all relative frequencies (fr) must be equal to one (1.00). In this case, by using decimal numbers, the accuracy has been lost a little, giving a total of 0.99, which is acceptable.