Examveda

To obtain entirely reliable knowledge of the exact value of a parameter, observations must be made on

A. all the elements in a single stratum of the stratified population

B. a stratified sample of the population

C. a complete census of the population

D. a simple random sampling of the population

Answer: Option B


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Related Questions on Extension Management and Community Development

Home science extension is

A. extending technical knowledge to wives or ladies in urban and rural areas

B. extending knowledge about agricultural machinery

C. extending knowledge on the managing and running of industries

D. All of the above