Critical Thinking Questions Case 7-1 in All of the Advertisements

question 149

Multiple Choice

Critical Thinking Questions Case 7-1 In all of the advertisements for personal computers, vendors usually state the type of hard disk interface supported by the hard disk controller. Therefore, it is important that you understand the types of available hard disk interfaces, so that you can make the most informed choice possible. You are in the market for a disk controller that will support a high number of peripheral devices. What disk controller will do the trick?

• A) EIDE
• B) SCSI
• C) SATA
• D) USB

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Definitions:

Z-statistic

A numerical indicator that shows how a specific value compares to the average of a dataset, expressed as the number of standard deviations away from the mean.

Two-tailed Test

A statistical hypothesis test in which the area of rejection is on both sides of the sampling distribution, allowing for testing in both directions.

Z-statistic

A statistical measure that quantifies the distance (in standard deviation units) a data point is from the mean of a distribution.

Two-tailed Test

A statistical test that considers both directions of an effect, testing the possibility of relationships in both positive and negative directions.