Consider the following time series: T 1 2 3 4 5 6 7
Yt 120 110 100 96 94 92 88
a) Construct a time series plot. What type of pattern exists in the data?
b) Use Excel Solver or LINGO to find the parameters for the line that minimizes MSE this time series.
c) What is the forecast for t = 8?

You decided to charge $100 for your new computer game, but people are not buying it. what could you do to encourage people to buy your game?

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Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?