Fitting a Linear Trend to 36 Monthly Data Points (January

question 75

Multiple Choice

Fitting a linear trend to 36 monthly data points (January 2011 = 1,February 2011 =2,March 2011 = 3,etc.) produced the following tables. The projected trend value for January 2014 is ________.

• A)544.29
• B)868.61
• C)652.39
• D)760.50
• E)876.90

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Definitions:

Continuous Random Variable

A variable that can take an infinite number of values within a given range, where any value is possible within the continuum.

Continuous Random Variable

A variable that can assume an infinite number of values in a continuous range.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean of the set.

Normal Curve

Also known as the Gaussian distribution, a bell-shaped curve that is symmetric about the mean, showing the distribution of variables as naturally occurring in many processes.