The Following Times Series Shows the Demand for a Particular

question 4

Essay

The following times series shows the demand for a particular product over the past 10 months. $$\begin{array} { | c | c | } \hline \text { Month } & \text { Demand } \\\hline 1 & 324 \\\hline 2 & 311 \\\hline 3 & 303 \\\hline 4 & 314 \\\hline 5 & 323 \\\hline 6 & 313 \\\hline 7 & 302 \\\hline 8 & 315 \\\hline 9 & 312 \\\hline 10 & 326 \\\hline\end{array}$$
a. Construct a time series plot. What type of pattern exists in the data?
b. Develop a three-month moving average for this time series. Compute MSE and a forecast for month 11.

---

Definitions:

Sexually Attracted

The feeling of sexual interest towards another person.

Same Sex

Pertaining to a relationship, attraction, or orientation involving individuals of the same gender.

Homosexual

A person who is sexually attracted to people of the same sex.

Sexual Orientation

An enduring pattern of emotional, romantic, or sexual attractions to men, women, both genders, neither gender, or another gender.