Which of the Following Statements Is True About the Unsolicited

question 82

Multiple Choice

Which of the following statements is true about the unsolicited commercial e-mail known as spam?

• A)Most companies have stopped using it because consumers find it annoying.
• B)It accounted for more than 85 percent of e-mail messages by 2010.
• C)It is the only way advertisers can use the Internet to attract customers.
• D)It is the dominant format of Web advertising.
• E)None of the above options is correct.

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Definitions:

Population Means

The average of a set of numerical values from the entire population being studied.

Two Independent Samples

Refers to separate groups of data collected from different populations, where individuals in one sample have no relation to individuals in the other.

Test Statistic

An estimate gained from sample data analysis, applied in hypothesis testing to weigh the decision of rejecting the null hypothesis.

Unequal-variances Test

A statistical test used when comparing two groups that have different variances, often applied in t-tests.