An Acidic Soil Would Have a PH of ____________;An Alkaline

question 15

Multiple Choice

An acidic soil would have a pH of ____________;an alkaline soil would have a pH of ___________;a neutral soil would have a pH of ____________.

• A)5;9;7
• B)6;8;9
• C)9;8;7
• D)3;4;5
• E)1;2;3

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Definitions:

Standard Deviation

An indicator of the spread or distribution range of a collection of data points, showing how far apart the values in the set are from each other.

Margin of Error

The maximum amount by which the sample results are expected to differ from the true population value.

Normally Distributed

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

Standard Deviation

A measure of the amount of variation or dispersion of a set of values from the mean.