Chapter 7 - Estimation: single population Flashcards

1
Q

Estimator of a population

A

A random variable that depends on the same information

Its value provides approximations of this unknown parameter

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2
Q

Examples of a population parameter

A

Population mean

Population proportion

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3
Q

Point estimator of a population parameter

A

A function of the sample information that produces a single number called a point estimate

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4
Q

Example of a point estimator

A

Sample mean is a point estimator of the population mean

The value that the mean assumes for a given set of data is called the point estimate

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5
Q

Confidence interval estimator for a population parameter

A

A rule for determining an interval that is likely to include the parameter.

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