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What is Data Collection Methods in Statistics about?

This document discusses methods of collecting and analyzing data for statistical investigations. It defines key terms like data, population, sample, variables and different types of data. It describes primary data as original data collected directly from the population, while secondary data is collected from existing sources. Common methods for collecting primary data include surveys, questionnaires and schedules. The document compares questionnaires with schedules and provides guidelines for creating an ef

Author

Nevin Varughese Paul

Language

EN