Tag: collection of data

Covers frequency distribution, measures of central tendency, and data interpretation for grouped data

tally marking

Covers primary vs secondary data, data collection methods (interviews, questionnaires, observation), sampling techniques, and statistical data quality

planning and collecting data

Learn about primary and secondary data sources, various data collection methods (questionnaires, interviews, observation, telephonic and mailed surveys), sampling techniques, and merits/demerits of different approaches to collecting statistical data.

tally marks