The Following Time Series Shows the Sales of a Clothing $\alpha$

question 32

Essay

The following time series shows the sales of a clothing store over a 10-week period.
a.Compute a 4-week moving average for the above time series.
b.Compute the mean square error (MSE) for the 4-week moving average forecast.
c.Use $\alpha$ = 0.3 to compute the exponential smoothing values for the time series.
d.Forecast sales for week 11.

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Definitions:

Fetal Cells

Cells that make up the fetus during pregnancy, highly capable of differentiation and growth, playing a critical role in the development of the embryo into a newborn.

Genetic Disorders

Diseases or conditions caused by abnormalities in an individual’s DNA, which can be inherited or arise through mutations.

Noninvasive Prenatal Diagnosis

A method of determining fetal health and genetic conditions using maternal blood tests, avoiding direct sampling from the uterus.

Fetal Blood Cells

The cells within the blood circulation of a fetus, which are crucial for transporting oxygen and nutrients.