Sample
is the number of people questioned for a survey.

Sample size

Explanation:

Sample size is the term that describes the number of objects or people involved in a research study. Sample size applies where it's impossible to get a response from the entire population due to its large size. The researcher uses several techniques to select a small number of respondents believed to represent the entire population. The small number or group selected is the sample size.

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1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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