A Friend of Yours Has Purchased a USB Printer and Asks

question 144

Multiple Choice

A friend of yours has purchased a USB printer and asks you to install it. You look at the computer and see there are no USB ports available. What will you recommend?

• A) Exchange the USB printer for a parallel printer.
• B) Connect the printer to a serial port using a USB to 25 -pin adapter.
• C) Add an adapter that contains USB ports.
• D) Upgrade to a more modern computer.
• E) Add a USB hub.

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Definitions:

Significant

Indicates that the results in statistical analysis are likely not due to chance, and there is a certain degree of reliability in the findings.

Power

The probability that a statistical test will correctly reject a false null hypothesis, a measure of a test's capability to detect an effect when there is one.

Hypothesis Testing

A statistical method used to evaluate the plausibility of a hypothesis by using sample data.

Confidence Level

A measure of how certain one can be about the accuracy of the results obtained from a statistical test, often expressed as a percentage like 95% or 99%.