The Mean Annual Precipitation in Inches and Number of Days

question 46

Multiple Choice

The mean annual precipitation in inches and number of days per year with measurable precipitation by selected cities are given in the following table.What is the R-squared of the regression of the mean annual rainfall as a function of the number of rainy days?

• A) 0.28.
• B) 0.38.
• C) 0.48.
• D) 0.58.
• E) 0.68.

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Definitions:

Ionized

Refers to an atom or molecule that has gained or lost electrons, thus acquiring a charge and becoming an ion.

Nonionized

Referring to molecules that do not carry an electric charge due to loss or gain of electrons, affecting their solubility and reactivity.

Functional Group

A specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.

Chemical Properties

Characteristics of a substance that become evident during a chemical reaction, revealing the composition of the substance and how it reacts under certain conditions.