The Formula S_t = Wy_t + (1 −W)St−₁ Is Used

question 14

Multiple Choice

The formula S_t = wy_t + (1 −w) St−₁ is used in time-series forecasting with exponential smoothing,where S_t is the exponentially smoothed time series at time t,y_t is the value of the time series at time t,and w is the smoothing constant.The forecasted value at time t + 1 where w = .4 is given by:

• A)Ft _{+ 1} = 0.4yt ₊₁ + 0.6St _{+ 1}
• B)Ft _{+ 1} = 0.4y_t + 0.6S_t
• C)Ft _{+ 1} = 0.4y_t + 0.6St− ₁
• D)Ft _{+ 1} = 0.4yt− ₁ + 0.6S_t

---

Definitions:

Advertising Revenue Model

A business approach where income is generated by displaying advertisements to users, typically found in media, online platforms, and broadcasting.

Online Sales

Refers to the process of selling goods and services through the internet.

Generating Revenue

The process by which a business or organization earns money, typically through the sale of goods or services.

Generating Revenue

The process of earning income from business activities, including sales, services, and other financial strategies.