Question: The table below shows semi-annual demand (in 1,000s) for Shidgets (they're like Widgets, only quieter). A linear trend has been estimated using this data set with t = 1 for 1990.1 and t = 8 for 1993.2. It has an intercept of 0.76 and a slope of 0.20. Use the ratio-to-trend method to calculate seasonal adjustment factors for the first and second half of the year and then forecast the level of demand for 1995.1 and 1995.2. Note: round all intermediate calculations to two decimal places.

Year Demand

1990.1 1.0

1990.2 1.1

1991.1 1.4

1991.2 1.5

1992.1 1.8

1992.2 1.9

1993.1 2.3

1993.2 2.3

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