Using the Data Shown in the Table, Develop a Regression

question 24

Essay

Using the data shown in the table, develop a regression line that can be used to predict the demand for time period number 20. What is the regression equation and what is your forecast for period 20?
$$\begin{array} { | c | c | c | c | } \hline & \text { Period } & \text { Demand } & \text { Period } * \text { Demand } \\\hline & 1 & 16 & 16 \\\hline & 2 & 20 & 40 \\\hline & 3 & 24 & 72 \\\hline & 4 & 27 & 108 \\\hline & 5 & 29 & 145 \\\hline & 6 & 30 & 180 \\\hline & 7 & 32 & 224 \\\hline & 8 & 35 & 280 \\\hline & 9 & 36 & 324 \\\hline & 10 & 38 & 380 \\\hline \text { Sums } & 55 & 287 & 1769 \\\hline\end{array}$$

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