What Is the Standard Error of the Mean for a Distribution

question 18

Multiple Choice

What is the standard error of the mean for a distribution of scores where $\sigma$ = 50 and n = 75?

• A)5.77
• B).066
• C)1.5
• D)unable to determine

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Definitions:

Experimental Method

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

Variable Manipulation

The systematic adjustment or alteration of the independent variables in an experiment to observe their effect on the dependent variables.

Controlled Conditions

A methodological practice in experiments where all variables are kept constant except for the independent variable being tested.

Non-random Assignment

The process of allocating individuals to groups in a study based on criteria other than random selection, potentially introducing bias to the results.