Which of the Following Statements Is True of Digital Subscriber

question 20

Multiple Choice

Which of the following statements is true of digital subscriber lines (DSLs) ?

• A)They use television lines for data transmission.
• B)Their signals do not interfere with voice telephone services.
• C)Their operations are independent of voice telephone lines.
• D)They do not allow data transmission to occur when telephone conversations occur.

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Definitions:

Normal Distribution

A bell-shaped curve distribution that is symmetrical around the mean, where the bulk of the values lie near the center and it tails off towards the extremes.

Central Limit Theorem

The Central Limit Theorem is a statistical theory that states that the sampling distribution of the sample mean approaches a normal distribution, regardless of the population's distribution, given a large enough sample size.

Population

All members or elements under consideration in statistical studies make up this group.

Standard Error

A measure of the statistical accuracy of an estimate, calculated from the standard deviation of a sampling distribution.