The Following Table Shows the Sales Data of Server Computers

question 33

Multiple Choice

The following table shows the sales data of server computers of Ziffcore Inc. for the past 5 years. The management plotted the data on a chart. The chart suggested that the sales appear to be increasing in a fairly predictable linear fashion and that the sales are related to time by a linear function
Y t =240+340t. Using simple linear regression, calculate the forecast for sales in year 6.
$\begin{array} { | l | l | } \hline \text { Year } & \text { Sales } \\\hline 1 & 580 \\\hline 2 & 920 \\\hline 3 & 1260 \\\hline 4 & 1600 \\\hline 5 & 1940 \\\hline\end{array}$

• A) The forecast for sales in year 6 is more than 1800 but less than or equal to 2000.
• B) The forecast for sales in year 6 is more than 2000 but less than or equal to 2200.
• C) The forecast for sales in year 6 is more than 2200 but less than or equal to 2400.
• D) The forecast for sales in year 6 is more than 2400 but less than or equal to 2600.

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