The categorical data is the data which describes the qualities of the objects under consideration, where as the numerical data is the measure of the data.

The test of proportion is used to test whether the population proportion is significantly equal to hypothesized value or not. It is based on the proportion of the responses of the population. For observing the response, the population is divided into two categories.

Therefore, the test of proportion is used for the categorical data.

The test of proportion is used to test whether the population proportion is significantly equal to hypothesized value or not. It is based on the proportion of the responses of the population. For observing the response, the population is divided into two categories.

Therefore, the test of proportion is used for the categorical data.