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A group of data is a sample.
census is conducted for group data so if it is a sampling data is taken it would lead to lot of non sampling errors
It would be a group of cells in Excel that have values in them. These can then be identified for use in creating charts in Excel. Different charts need data series for them to show.
False
illustrate how you can express the age of group of persons as {1}nominal,{2}ordinal data,{3} interval data,{4}ratio data