If About Two-Thirds of the Cases in a Research Study

question 68

Multiple Choice

If about two-thirds of the cases in a research study fall within 1 standard deviation from the mean,and 95 percent within 2 standard deviations,researchers know that their data form a

• A)skewed distribution.
• B)plot.
• C)normal curve.
• D)bar graph.

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Definitions:

\(f ( x )\)

Represents a function of x, a way to show the relationship between x (input) and f(x) (output) in mathematical terms.

Surface Area

The total area of the exterior surface of a three-dimensional object.

Cube

A three-dimensional solid object bounded by six square faces or sides, with three meeting at each vertex.

Length

The measurement of something from end to end, typically considered the greatest dimension of an object.