The Normal Curve Is Most Likely to Be Described as

question 50

Multiple Choice

The normal curve is most likely to be described as

• A)bimodal and roughly symmetrical.
• B)unimodal,roughly symmetrical,and bell-shaped.
• C)skewed to the right.
• D)a roughly symmetrical U-shape.

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Definitions:

Mean

The average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Sample Mean

Mean calculated from data for a sample.

Confidence Interval

A set of values, taken from sampled data, that potentially covers the value of an unknown parameter of the population.

Mean Score

The average value calculated by adding all individual scores and dividing by the number of scores.