"What is the hair colour of different students of grade $7$ ?"
The data collected from this question forms an example of .
(numerical data/ categorical data)

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Solution

The categorical data is that in which the non-numerical information can be categorised into different groups.

While if all the values in the data collected is a number, then it is an example of numerical data.

The data collected from the given question, "What is the hair colour of different students of grade $7$ ?" is represented as,

Since the information collected is non-numerical and can be categorised into different group of colours, therefore the given question will form a part of categorical data.

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"What is the hair colour of different students of grade 7?" The data collected from this question forms an example of . (numerical data/ categorical data)

"What is the hair colour of different students of grade $7$ ?"
The data collected from this question forms an example of .
(numerical data/ categorical data)