Problem $1(20$ pts$)$

Demand data for the first six time periods in a year are shown in Table $1$ below. The graph of

these six data points $($Figure $1)$ indicates there is a trend. Please complete Table $2$ with the

demand forecasts for time periods $7$ through $10$ using the regression analysis.

Table $1.$ Demand Data for the First Six Time Periods.

Figure $1.$ Demand for the First Six Time Periods.

Table $2.$ Demand Forecasts.