The Following Trend Line and Seasonal Indexes Were Computed from Four

question 2

Essay

The following trend line and seasonal indexes were computed from four weeks of daily observations. $=145+1.66 t$ . $$\begin{array} { | l | c | } \hline \text { Day } & S T _ { t } \\\hline \text { Sunday } & 1.403 \\\text { Monday } & 0.517 \\\text { Tuesday } & 0.515 \\\text { Wednesday } & 0.621 \\\text { Thursday } & 0.675 \\\text { Friday } & 1.145 \\\text { Saturday } & 2.124 \\\hline\end{array}$$ Forecast the seven values for the next week.

---

Definitions:

Disjoint

Sets that have no elements in common; non-overlapping.

At Least

A mathematical expression indicating the minimum quantity or amount required or achieved, used in probabilities and statistics.

Probability

Numerical estimation, ranging from 0 to 1, of the likelihood that a certain event will transpire.

Red Card

In soccer, a penalty given by the referee to a player, resulting in their immediate ejection from the game.