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The Following Table Shows the Sales Data of Server Computers

question 33

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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.
 Year  Sales 15802920312604160051940\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}


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