The System Unit on Most Personal Computers Contains at Least

question 11

True/False

The system unit on most personal computers contains at least one hard disk, sometimes called an internal hard disk because it is not portable.

---

Definitions:

Directional

In research, directional usually refers to a hypothesis that specifies the direction of an expected difference or relationship.

µ > 164

A mathematical condition indicating that the population mean is greater than 164.

One-tailed

Describes a hypothesis test or statistical analysis where the significance is tested in only one direction, indicating the expected direction of an effect.

Directional

In hypothesis testing, directional refers to a hypothesis that specifies the direction of an expected difference or relationship (e.g., greater than, less than) between two groups or variables.