The Following Seasonal Indexes and Linear Trend Were Computed from Five

question 10

Essay

The following seasonal indexes and linear trend were computed from five year quarterly sales data.
Trend line is $$\hat { y } = 500 + 30 t , ( t = 1,2,3 , \ldots .20 )$$ $$\begin{array} { | c | c } \hline \text { Quarter } & \text { Sea50nal Index } \\\hline 1 & 1.4 \\\hline 2 & 1.2 \\\hline 3 & 0.9 \\\hline 4 & 0.5 \\\hline\end{array}$$ Forecast the sales for the next four quarters

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The forcible separation or tearing away of a body part or tissue.

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Using physical strength, power, or violence to make something happen or to make someone do something.

Tinea

A fungal infection of the skin, also known as ringworm, that can affect various parts of the body and is characterized by ring-shaped, itchy rashes.

Ringworm

A fungal infection of the skin characterized by red, itchy, circular patches.