To Determine the Size of a Sample,the Standard Deviation of the Population

question 5

True/False

To determine the size of a sample,the standard deviation of the population must be estimated by either taking a pilot survey or by approximating it based on knowledge of the population.

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Definitions:

Consumer Behaviour

The study of individuals, groups, or organizations and their processes in selecting, securing, using, and disposing of products, services, experiences, or ideas to satisfy needs and desires.

Attitude Problem

A negative or uncooperative outlook or disposition towards ideas, tasks, or people, often resulting in difficult social interactions or workplace dynamics.

Ego-Defensive Function

A psychological defense mechanism in which an individual adopts certain behaviors or attitudes to protect their self-esteem or ego from perceived threats.

Utilitarian Function

Refers to the practical or useful aspects of a product or service that satisfy basic needs and functionalities for a user.