Collection of Data

The process of gathering information for statistical analysis is called:

• Collection of data

• Analysis of data

• Interpretation of data

• Presentation of data

Data collected by the investigator for a specific purpose is known as:

• Secondary data

• Tertiary data

• Primary data

• Quantitative data

Which of the following is a primary source of data?

• Census survey conducted by you

• Research articles

• Books

• Internet

Secondary data is:

• Already available and collected by others

• Data collected for the first time

• Data collected by the investigator

• Data that is not useful

A census involves:

• Surveying a sample of the population

• Surveying the entire population

• Surveying a specific group

• Surveying only a few individuals

A sample survey involves:

• Studying the entire population

• Studying only a part of the population

• Studying historical data

• Studying theoretical concepts

Which of the following is NOT a method of primary data collection?

• Interviews

• Surveys

• Internet search

• Observations

When data is collected from published sources, it is called:

• Primary data

• Tertiary data

• Secondary data

• Qualitative data

Which is the most suitable method for collecting data from a large and geographically scattered population?

• Personal interviews

• Focus groups

• Questionnaire method

• Observational studies

Which method is most reliable for collecting accurate primary data?

• Surveys

• Personal interview

• Questionnaires

• Internet