The Confidence Interval Half-Width When π =

question 26

True/False

The confidence interval half-width when π = .50 is called the margin of error.

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Definitions:

Sampling Distribution

The probability distribution of a statistic based on all possible random samples that can be drawn from a population.

Sample Mean

The average of a set of numerical values drawn from a larger population.

Confidence Interval

A spectrum of values obtained from sample statistics, which is probable to encompass the value of an unidentified population parameter.

Population Parameter

A numerical characteristic or feature of an entire population, such as its mean or standard deviation.