The Cation Exchange Capacity (CEC)of Soils Decreases with Higher Clay

question 87

True/False

The cation exchange capacity (CEC)of soils decreases with higher clay and organic matter content.

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Definitions:

Sample Mean

The average value calculated from a sample of data, used as an estimate of the population mean.

Normally Distributed

Describes a distribution that follows a normal curve or bell curve, where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.

Sampling Distribution

The distribution pattern of probabilities for a specified statistic obtained from a random sample.

Normally Distributed

A data distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.