The Professor of a Business Statistics Class Wanted to Find

question 32

True/False

The professor of a business statistics class wanted to find out the average amount of time per week her students spent studying for the class. She divided the fifty students on her roster into ten groups starting from the first student on the roster. The first student was randomly selected from the first group. Then every tenth student was selected from the remaining students. This is an example of a cluster sample.

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Definitions:

Thalidomide

A drug that caused birth defects when given to pregnant women in the 1950s and 1960s, now used under strict controls for some diseases.

Prenatal Development

The developmental journey within the womb starting at conception and culminating in birth.

Chronosystem

A component of the ecological systems theory that emphasizes the role of time and historical context in human development.

Great Depression

A severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States and leading to widespread unemployment and poverty.