The Standard Error of the Mean Is Equal to

question 12

Multiple Choice

The standard error of the mean is equal to

• A) the sample variance divided by the sample size.
• B) the sample standard deviation divided by the square root of the sample size.
• C) the sample variance divided by the square root of the sample size.
• D) twice the square root of the sample size.
• E) twice the square root of the sample variance.

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Definitions:

Method of Substitution

A technique used to solve systems of equations where one equation is solved for one variable, which is then substituted into other equations.

Hyperbola

A type of smooth curve lying in a plane, defined by its geometric properties or by equations that are not necessarily of the second degree. Specifically, it refers to a conic section that is not a circle, ellipse, or parabola.

Center and Vertices

Terms related to conic sections; the center is a central point of the shape, while vertices are points where the curve intersects its principal axis.

Graph Equations

The process of plotting the solutions to an equation on a graph, typically within a coordinate system.