Develop a linear trend equation for the following data. Then use the equation to predict the demand of period 7 and 8.Period.Demand .

Develop a linear trend equation for the following data. Then use the equation to predict the demand of period 7 and 8.

…………..Period…………..Demand

………………..1……………….120

………………..2……………….123

………………..3……………….136

………………..4……………….155

………………..5……………….157

………………..6……………….171

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Sum……………..21………………862

Sum of (Period^2):

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Sum of (Period*Demand):

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Slope:

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Intercept:

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Forecast of Period 7:

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Forecast of Period 8:

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