All Possible Random Samples of 200 Middle Managers Are Selected

question 117

Multiple Choice

All possible random samples of 200 middle managers are selected from a population for a study concerning their mean annual income.The population standard deviation is computed to be $2,248.5.What is the standard deviation of the sampling distribution of the means?

• A)$47.42
• B)$11.24
• C)$158.99
• D)$57.86

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Definitions:

Genetic Material

The molecules—specifically DNA or RNA in some viruses—that carry the genetic information necessary for growth, development, functioning, and reproduction of living organisms.

Random Drift

A process in evolutionary biology in which allele frequencies within a population change due to chance rather than natural selection.

European Naturalists

Refers to scientists and scholars from Europe, especially from the 17th to the 19th centuries, who studied nature and contributed to the fields of botany, zoology, and geology.

Evolved

The process through which organisms undergo gradual changes in their genetic makeup over generations, often leading to new species.