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_____ of U.S customers own at least two digital devices.
Point Estimate
Single value used to estimate an unknown population parameter.
Population Parameter
A numerical value that represents a characteristic of an entire population, such as its mean or standard deviation.
Standard Error
The standard deviation of the sampling distribution of a statistic, most commonly the mean; it is used to estimate the accuracy of a sample mean compared to the population mean.
Confidence Interval
A range of values, derived from sample statistics, that is believed to contain the true value of a population parameter with a certain level of confidence.
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