To Detect a Laser Beam, a Battery Powered Electronic Sensor

question 4

Multiple Choice

To detect a laser beam, a battery powered electronic sensor target, also called a receiver or ____, is attached to the leveling rod or stick.

• A) detector
• B) transistor
• C) interceptor
• D) sink

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Definitions:

P-Value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is correct.

Degrees of Freedom

The number of independent values or quantities that can vary in the calculation without violating any constraint.

Contingency Table

A tabular method used to summarize the relationship between several categorical variables, showing distribution of frequencies.

Qualitative Variables

Variables that describe or categorize attributes or properties of a subject without using numerical values.