Which of the Following Is True of Experimental Data

question 25

Multiple Choice

Which of the following is true of experimental data?

• A)Experimental data are collected in laboratory environments in the natural sciences.
• B)Experimental data cannot be collected in a controlled environment.
• C)Experimental data is sometimes called observational data.
• D)Experimental data is sometimes called retrospective data.

Realize the significance of federal court appointments and their impact on law and politics.

Understand the basic functions of file management and storage options on a computer.

Identify and use file management tools and properties in a Windows environment.

Recognize the importance of data backup and know the tools available for backing up data.

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Definitions:

Equality

The state or quality of being identical, equal, or equivalent in value, measure, significance, etc.

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution, minus the number of parameters estimated.

Chi-Square Distribution

A statistical distribution that represents the distribution of the sum of the squares of k independent standard normal random variables, often used in hypothesis testing.

Single Population Variance

A measure of the variance of a set of values in a single group or population.