An Internet Service Provider Is Interested in Testing to See

question 108

Multiple Choice

An Internet service provider is interested in testing to see if there is a difference in the mean weekly connect time for users who come into the service through a dial-up line,DSL,or cable Internet.To test this,the ISP has selected random samples from each category of user and recorded the connect time during a week period.The following data were collected: Which of the following would be the correct alternative hypotheses for the test to be conducted?

• A) : = =
• B) : ≠ ≠
• C)Not all population means are equal.
• D) = = =

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Definitions:

Application and Control

Involves the use of knowledge and techniques to achieve desired outcomes and manage systems effectively.

Science Goal

The objective or aim of a scientific endeavor, intended to advance knowledge or solve a specific problem.

Extraneous Variable

Denotes any variable other than the independent variable that might cause unwanted changes in the outcome of an experiment.

Independent Variable

The variable that is manipulated or changed in an experiment to test its effects on the dependent variable.