To verify the quality of secondary data information, it may be necessary to know how the data were collected, what the sampling plan was, what data collection method was used, and what degree of nonresponse was experienced.

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To verify the quality of secondary data, it is important to understand the methodology used to collect the data, including the sampling plan, data collection method, and nonresponse rate. This information can help to determine the reliability and validity of the data.

To Verify the Quality of Secondary Data Information, It May