Interpolation is filling in the data points between the data that has already been collected. Extrapolation is filling in data points beyond the data that has already been collected, or extending the data.
The difference is rimary data is information personally or originally collected that has not been studied. Secondary data is information already collected, examined and concluded.
Secondary data has already been collected by and readily available from other sources. It is cheaper and easier to obtain than primary data. It helps provide an understanding of the problem and allows for comparison of the primary data collected. Secondary data can also be used as study to determine if and where mistakes or deficiencies exist in either set of data.
Primary data is data that is collected by the researcher. Secondary data is information that has been collected by someone other than the user.
Primary data is is data that has been observed or collected first hand
Interpolation is filling in the data points between the data that has already been collected. Extrapolation is filling in data points beyond the data that has already been collected, or extending the data.
Data that is collected may have been collected previously for some reason, or it might have been collected recently. Data is usually collected to show statistics or information about something specific.
The difference is rimary data is information personally or originally collected that has not been studied. Secondary data is information already collected, examined and concluded.
empirical research or empirical study means: data has already been collected and analyzed.
"It was already collected" is correct. This phrase indicates that the action of collecting occurred in the past.
Secondary data has already been collected by and readily available from other sources. It is cheaper and easier to obtain than primary data. It helps provide an understanding of the problem and allows for comparison of the primary data collected. Secondary data can also be used as study to determine if and where mistakes or deficiencies exist in either set of data.
Primary data is data that is collected by the researcher. Secondary data is information that has been collected by someone other than the user.
Primary data is is data that has been observed or collected first hand
Primary data is data collected firsthand, through surveys, interviews, experiments, etc. by the researcher, while secondary data is existing data that has already been collected by someone else. An example of primary data would be survey responses collected by a marketing team for a new product. An example of secondary data would be industry reports or census data obtained from a government website.
primary data is a data that has been observed or collected first hand
Inaccurate
It is inaccurate.