The values of Alabama building contracts (in millions of
dollars) for a 12-month period follow.
250 340 230 250 280 310 210 320 250 300 240 230
Choose the...
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Advance Math
The values of Alabama building contracts (in millions ofdollars) for a 12-month period follow.
250 340 230 250 280 310 210 320 250 300 240 230
Choose the correct time series plot.
(i)
Value (Millions of dollars)
Month (t)
(ii)
Value (Millions of dollars)
Month (t)
(iii)
Value (Millions of dollars)
Month (t)
(iv)
Value (Millions of dollars)
Month (t)
Plot (i)
Plot (ii)
Plot (iii)
Plot (iv)
What type of pattern exists in the data?
Horizontal Pattern
Trend Pattern
Compare a three-month moving average forecast with anexponential smoothing forecast. Use = 0.2. Which provides thebetter forecasts based on MSE? Do not round your intermediatecalculations and round your final answers to two decimalplaces.
Moving average
Exponential smoothing
MSE
Moving average
Exponential smoothing
What is the forecast for the next month? Round your answer tothe nearest whole number.
_____________ millions of dollars?
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