The Strong Rivalry in the U

question 24

True/False

The strong rivalry in the U.S.market between Dell,Gateway,Hewlett-Packard,Apple,and other computer companies has helped make the United States a world leader in personal computers.

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Definitions:

Standard Deviation

A statistic that measures the dispersion or spread of a set of data points relative to its mean.

Point Estimate

A single value (or point) estimate derived from sample data to approximate a population parameter.

Confidence Interval

A range of number sets, derived from statistical analyses of samples, assumed to hold the invisible value of a population characteristic.

Margin of Error

An expression of the range within which the true value of a statistic is expected to fall, based on sample observations.