A Researcher Wants to Know the Average Variation in the Altimeters

question 155

Multiple Choice

A researcher wants to know the average variation in the altimeters of small, privately owned airplanes.The task of determining this is expensive and time consuming, if even possible, given the large number of such airplanes.The researcher decides to use government records to randomly locate the owners of ten such planes and then get permission to test the altimeters in those planes.When the researcher is done, he will use the data gathered from the group of ten to reach conclusions about all small, privately owned airplanes.The average variation computed using the data gathered on the group of ten airplanes is best described as a _______.

• A)measurement
• B)data
• C)statistic
• D)parameter
• E)census

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Definitions:

Preoperational Stage

A stage in Jean Piaget's developmental theory of childhood, from about ages 2 to 7, where children begin to engage in symbolic play but lack the ability to perform operations or think logically.

Represent Another

A phrase that suggests acting on behalf of or symbolizing someone or something else.

Reversibility

The cognitive ability to recognize that numbers or objects can be changed and then returned back to their original condition.

Nonstage Theory

A theory suggesting that development or cognition does not progress through fixed stages, but rather continuously.