Least Squares Trend Analysis Involves Fitting a Straight Line Through

question 38

Multiple Choice

Least squares trend analysis involves fitting a straight line through a series of data which,by definition,

• A)Minimizes the distance of each data point from the line and minimizes the squared area above and below the trendline
• B)Minimizes the distance between each data point
• C)Must include at least one peak and at least one trough
• D)Must include a minimum of 20 points to get a usable trendline

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Definitions:

Compound

A substance made up of atoms of two or more different elements chemically bonded together.

Oxidation Number

A number that represents the total number of electrons an atom either gains or loses in order to form a chemical bond with another atom.

Ca

Chemical symbol for Calcium, a reactive, soft metallic element that is a member of the alkaline earth metals.

Oxidation Number

A value that represents the number of electrons lost or gained by an atom in a compound compared to its elemental state.