An Estimated First-Order Autoregressive Model for Stock Sales Is $\tilde { y } _ { t } = 1,000 + 1.3 y _ { t - 1 }$

question 169

Essay

An estimated first-order autoregressive model for stock sales is: $\tilde { y } _ { t } = 1,000 + 1.3 y _ { t - 1 }$ .If sales in 2011 were 12,000,the forecast of sales for 2012 is ____________________.

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Definitions:

Respiratory Alkalosis

Abnormal condition characterized by decreased arterial carbon dioxide concentration and hydrogen ion concentration.

Excessive Edema

An abnormally large accumulation of fluid in the tissues of the body, leading to swelling, often due to heart, liver, or kidney disease.

Temperature

The degree of internal heat of an object or organism, often measured in degrees Celsius or Fahrenheit, indicative of the state of being hot or cold.

Diarrhea

A condition characterized by the frequent passage of loose or watery stools, often a sign of infection or digestive issue.