Haphazard Sampling

question 48

Multiple Choice

Haphazard sampling

• A)must be used when the items in the population are not pre-numbered documents
• B)is a careless sample
• C)does not use a random number method to select the sample
• D)may be used when the items in the population are not pre-numbered documents
• E)uses a random number method to select the sample
• F)both A and C
• G)both B and D
• H)both D and E

Recognize electronic components classified as hazardous waste and understand disposal regulations.

Identify the types of technical documentation useful for specific troubleshooting tasks.

Know essential safety equipment for a technical field kit and the importance of protection against power issues.

Understand the relevance and application of Acceptable User Policies (AUP).

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Definitions:

Factor Analysis

Factor Analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors.

Single Trait

Refers to focusing on one characteristic feature of an individual or system for study or analysis.

Normal Curve

A symmetrical, bell-shaped curve that describes the distribution of many types of data; most scores fall near the mean (about 68 percent fall within one standard deviation of it) and fewer and fewer near the extremes. Also called a normal distribution.

Standardization

Defining uniform testing procedures and meaningful scores by comparison with the performance of a pretested group.