Now to tackle this problem there are many ideas. One of those is to generate own energy from the resources available. But electricity generation can be very costly.
Importance of data and data collection Data Data is an any concept of a matter or incident.
This means to give or something given. Data comes from observations made upon reality. A data is a collection of statical information of values of the variable of interest in a study. Source of Data Data can be defined as the quantitative or qualitative values of a variable.
Data is thought to be the lowest unit of information from which other measurements and analysis can be done. Data can be numbers, images, words, figures, facts or ideas. Data in itself cannot be understood and to get information from the data one must interpret it into meaningful information.
There are various methods of interpreting data. Data sources are broadly classified into primary and secondary data.
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Types of Data Importance of data and data collection Data is one of the most important and vital aspect of any research studies.
Researchers conducted in different fields of study can be different in methodology but every research is based on data which is analyzed and interpreted to get information. Data is the basic unit in statistical studies.
Statistical information like census, population variables, health statistics, and road accidents records all developed from data. Techniques of Data collection There are two sources of data collection techniques.
Primary and secondary data collection techniques, primary data collection uses surveys, experiments or direct observations. Secondary data collection may be conducted by collecting information from a diverse source of documents or electronically stored information census and market studies are examples of a common sources of secondary data.
Primary Data Primary data means original data that has been collected specially for the purpose in mind. It means someone collected the data from the original source first hand. Data collected this way is called primary data. Primary data has not been published yet and is more reliable, authentic and objective.
Primary data has not been changed or altered by human beings; therefore its validity is greater than secondary data. Sources of primary data There are many types of data.
Observation, questionnaire, interview, sampling are some of survey type.About your school essay road accidents research health science specialist job description, essay topics about tv life check my essay dream school smoking effect essays pdf dream essay topic lucid example of research paper about vices reference page for essays university (time writing essay .
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