Collecting and Classifying Data
Collecting and Classifying Data: Overview
This topic covers concepts, such as, Primary Data, Secondary Data, Types of Data, Methods of Collecting Primary Data, Discrete Data, Continuous Data & Qualitative Data and Quantitative Data etc.
Important Questions on Collecting and Classifying Data
Data collected on religion from the census reports are

Census reports are used as a source of _________ data

Statistics cannot deal with________ data.

List the different methods used in the process of primary collection of data.

Explain discrete data and continuous data and write their examples.

Explain discrete data and write its examples.

The type of data for the following:
The colour of a book

The type of data for the following:
The number of pages of a book

The type of data for the following
age (in years)

The type of data for the following
Shoe size of a person

The type of data for the following
Height of a person

The type of data for the following.
Time taken to travel to school by a person

The type of data for the following.
Favourite subject of a person

Sravan goes to a software office and gathers information on the number of people who spent more than hours in the office. It is a

Sita collects different flight timings to Delhi from the website. It is a

Reeta collected the prices of the bikes from the magazine.
Stephen measures the height of the students in the school.
Riya collected the details of rainfall in one week from the website
Joseph collected the data about different model of cars from the books.
Whose data is primary data among the above persons?

"Information of attendance of every student collected by visiting every class in a school" is _____ data. (primary/secondary)

Secondary data is the data collected by the experimenter himself.

Classify the following information as primary or secondary.
The information of heights of students was gathered from school records and sent to the head office, as it was to be sent urgently.

State whether the following data would be discrete or continuous.
Mass of each animal in a herd.
