TABLE 16-3
the Following Table Contains the Number of Complaints

question 153

Multiple Choice

TABLE 16-3
The following table contains the number of complaints received in a department store for the first 6 months of last year.
$$\begin{array} { l c } \text { Month } & \text { Complaints } \\\text { January } & 36 \\\text { February } & 45 \\\text { March } & 81 \\\text { April } & 90 \\\text { May } & 108 \\\text { June } & 144\end{array}$$
-Referring to Table 16-3, suppose the last two smoothed values are 81 and 96 (Note: they are not) . What would you forecast as the value of the time series for July?

• A) 86
• B) 96
• C) 91
• D) 81

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Definitions:

Delta Connection

A method of connecting three-phase electrical circuits where the start of each phase is connected to the end of the next, forming a triangle (delta shape).

Diodes

Semiconductor devices that allow current to flow in one direction only, used in various electrical applications.

3-Phase

Refers to an electric power system that uses three alternating currents of the same frequency, which are out of phase with each other by 120 degrees, to deliver power in a more efficient manner than single-phase electricity.

Full-Rectification

The conversion of AC (alternating current) to DC (direct current) using both halves of the input waveform, usually in power supply or electronic signal processing.