Valentine's Day Is the Best Day of the Year for Selling

question 66

Essay

Valentine's Day is the best day of the year for selling roses at River Road Florist. Dozens of roses sold on Valentine's Day over six years are as follows:
$\begin{array}{|c|c|}\hline \text { Year } & \text { Dozen } \\\hline 2005 & 104 \\\hline 2006 & 109 \\\hline 2007 & 101 \\\hline 2008 & 114 \\\hline 2009 & 104 \\\hline 2010 & 100 \\\hline\end{array}$
a.What is the forecast for Valentine's Day in 2011 using a three-period moving average?
b.What is the forecast for Valentine's Day in 2011 using a five-period moving average?
c.What is the mean absolute deviation (MAD) for years 2008-2010 using a three-period moving average?
d.What is the tracking signal for years 2008-2010 using a three-period moving average?

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Definitions:

Gender Roles

The societal norms dictating the behaviors, tasks, and responsibilities expected of males and females based on their biological sex.

Muscle Density

The compactness of muscle tissue, which can contribute to overall muscle strength and appearance.

Functionalist

Functionalist is an approach in sociology that emphasizes the role that different parts of society play in maintaining a cohesive and functioning whole.

Unequal Wages

The disparity in earnings between individuals, often based on factors such as gender, ethnicity, age, or job role, instead of merit or performance.