A Random Sample of 25,000 ACT Test Takers Had an Average

question 80

Multiple Choice

A random sample of 25,000 ACT test takers had an average score of 21 with a standard deviation of 5. Determine the standard error.

• A) .0230
• B) .0316
• C) .1328
• D) .0141

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Definitions:

Code of Ethics

A guide of principles designed to help professionals conduct business honestly and with integrity.

Descriptive Statistics

Statistical methods that summarize and organize the characteristics of a set of data.

Experimental Research

A research method involving the manipulation of variables to establish cause-and-effect relationships.

Cause and Effect

The principle that actions or events lead to a certain consequence or outcome, wherein the cause is why something happens, and the effect is what happens.