The Trend Line $\hat { y }$ = 500 + 30t, (T = 1,2,3

question 56

Essay

The trend line $\hat { y }$ = 500 + 30t, (t = 1,2,3,.... ,20),and the seasonal indexes shown in the table below were computed from five years of quarterly sales data.Forecast the sales for the next four quarters.
$$\begin{array} { | c | c | } \hline \text { Quarter } & \text { Seasanal Index } \\\hline 1 & 1.4 \\2 & 1.2 \\3 & 0.9 \\4 & 0.5 \\\hline\end{array}$$

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Definitions:

Clairvoyance

The alleged ability to gain information about an object, person, location, or physical event through extrasensory perception.

Psychometry

The claimed psychic ability to discover facts about an event or person by touching inanimate objects associated with them.

Ganzfeld Procedure

A technique used in parapsychology to test individuals for extrasensory perception (ESP) by inducing a state of sensory deprivation.

ESP

Stands for Extrasensory Perception, a claimed ability to gain information without the use of the known five senses or logical inference.