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Cluster sampling is a very efficient tool,but the efficiency means a less accurate sample since with each cluster there is a chance for sampling error.
Top-down Analysis
An approach that starts with the broader economy or market before analyzing specific sectors or companies.
Predicted Total Sales
An estimation of the total amount of sales revenue a business expects to earn over a specified future period.
Proxy Products
Items or services used as substitutes to represent the value or functionality of another product during analysis or experimentation.
Psychological Information
Involves data or insights related to individual or group behavior, cognitive functions, and emotional processes, often used in understanding consumer behavior, workplace dynamics, and therapy.
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