Population - An entire group of people or items being investigated., Sample - A representative subset of a population., Random Sample - Sampling method such as randomly pulling names out of the hat., Systematic Sampling - Selecting individuals at fixed intervals, such as every 10th person., Successful Survey - when the questions are simple, meaningful and allow possible answers., Bias - Inclination or prejudice for or against someone or something especially in a way considered to be unfair., Census - It is the a form of data collection also called as population statistics that provides a snapshot of who we are and tells our changing needs. , Survey Methods  - Online or Paper based questionnaires, telephonic or through face to face interviews.. , Data  - facts and statistics collected together for reference or analysis.,

Sampling data

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