Question: What Are Primary And Secondary Data In Statistics?

What is the meaning of primary data?

A primary data source is an original data source, that is, one in which the data are collected firsthand by the researcher for a specific research purpose or project.

Primary data can be collected in a number of ways.

Primary data collection is quite expensive and time consuming compared to secondary data collection..

What are sources of primary data?

Some examples of primary sources are:raw data.original research (journal articles, books)diary entries, letters and other correspondence.photographs, artifacts.audio or video broadcasts (that catch events as they unfold) e.g. Real-estate film shot at Hatley Park c. … eyewitness accounts or interviews.More items…

What is secondary data in statistics?

Secondary data are data, which cannot be traced back to the level of individual cases of statistical units. In contrast to primary data it does not allow for mathematical calculations such as determining an arithmetic mean, a correlation, etc.

How do you collect primary and secondary data?

Primary data refers to the first-hand data gathered by the researcher himself. Secondary data means data collected by someone else earlier. Surveys, observations, experiments, questionnaire, personal interview, etc. Government publications, websites, books, journal articles, internal records etc.

What is the difference between primary and secondary sources?

Primary sources can be described as those sources that are closest to the origin of the information. … Secondary sources often use generalizations, analysis, interpretation, and synthesis of primary sources. Examples of secondary sources include textbooks, articles, and reference books.

Is a textbook a secondary source?

Secondary sources describe, interpret or analyze information obtained from other sources (often primary sources). Examples of secondary sources include many books, textbooks, and scholarly review articles.

What are secondary sources examples?

Secondary sources describe, summarize, or discuss information or details originally presented in another source; meaning the author, in most cases, did not participate in the event. … Examples of a secondary source are: Publications such as textbooks, magazine articles, book reviews, commentaries, encyclopedias, almanacs.

What is the main difference between primary secondary and tertiary data sources?

Secondary sources are based on or about the primary sources. For example, articles and books in which authors interpret data from another research team’s experiment or archival footage of an event are usually considered secondary sources. Tertiary sources are one further step removed from that.

What is a primary and secondary data?

Primary data: Data collected by the investigator himself/ herself for a specific purpose. Examples: Data collected by a student for his/her thesis or research project. … Secondary data: Data collected by someone else for some other purpose (but being utilized by the investigator for another purpose).

What is difference between primary and secondary data in statistics?

Primary data is the type of data that is collected by researchers directly from main sources while secondary data is the data that has already been collected through primary sources and made readily available for researchers to use for their own research.

Is a survey primary or secondary data?

Primary data is data that is collected by a researcher from first-hand sources, using methods like surveys, interviews, or experiments. … Secondary data is data gathered from studies, surveys, or experiments that have been run by other people or for other research.

What is primary data and its methods?

One of the major elements and basis of statistical research is data collection, where the most basic data that can be collected in this process is primary data. In other words, we can say that data is the basis of all statistical operations and primary data is the simplest of all data.

Which is an example of gathering primary data?

What are the main primary data collection methods? Brief personal Interview, Telephone survey, Mail questioner to sample of residents, and Online questionnaire, Hire someone to observe customer, videotape customer reactions, and program the store’s electronic cash registers.

What are examples of primary and secondary data?

Examples include interview transcripts, statistical data, and works of art. A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books.

What are the examples of secondary data?

Secondary data can be obtained from different sources:information collected through censuses or government departments like housing, social security, electoral statistics, tax records.internet searches or libraries.GPS, remote sensing.km progress reports.