The Average Size of Sediment in a Natural Levee Is_______

question 12

Multiple Choice

The average size of sediment in a natural levee is_______ that found in the surrounding floodplain.

• A)smaller than
• B)larger than
• C)the same size as

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, representing an average distance from the mean.

Mean

The average value obtained by adding all the data points in a set together and then dividing by the number of data points.

Standard Normal Curve

A symmetric bell-shaped curve that represents the distribution of many types of data where the mean is 0 and the standard deviation is 1.

Z-score

An index quantifying the position of a value relative to the average value in a dataset, expressed as the amount of standard deviations away from this mean.