One Rough Formula to Help Determine When to Replace Hardware

question 36

True/False

One rough formula to help determine when to replace hardware is the ratio of the average age of hardware pieces to the average age of the operating systems running on the machines.

Differentiate between observational and experimental studies.

Identify and explain common sources of bias in surveys and studies.

Recognize factors important in designing questionnaires to minimize errors.

Understand the concept of sampling and various sampling techniques.