If a Set of Data Is Normally Distributed, Then About

question 63

Multiple Choice

If a set of data is normally distributed, then about _______________ of the data lie within two standard deviations above the mean.

• A)34%
• B)47.5%
• C)68%
• D)95%

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Definitions:

Scatter Plot

A type of graph or plot which uses Cartesian coordinates to display values for typically two variables for a set of data.

45° Angle

A 45° angle is a measure of angle equal to half of a right angle, commonly encountered in geometry and trigonometry.

Basis For Prediction

The underlying data or rationale upon which a prediction is made.

Correlation

A numeric indicator that shows the degree to which two or more variables change in relation to each other.