Determine the Sample Size That Is Required to Estimate a Population

question 43

Essay

Determine the sample size that is required to estimate a population mean to within 0.4 units with a 99% confidence when the population standard deviation is 1.75.

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Definitions:

Child Development

The physical, cognitive, social, and emotional growth that occurs from infancy through childhood and into adolescence.

Information-Processing Approach

An approach that focuses on the ways children process information about their world—how they manipulate information, monitor it, and create strategies to deal with it.

Researchers

Individuals who conduct systematic investigations to establish facts or principles or to collect information on a subject.

Metacognition

Cognition about cognition, or “knowing about knowing.”