Reference no: EM132769588
Time series are particularly useful to track variables such as revenues, costs, and profits over time. Time series models help evaluate performance and make predictions.
Time series decomposition seeks to separate the time series (Y) into 4 components: trend (T), cycle (C), seasonal (S), and irregular (I). What is the difference between these components?
The model can be additive or multiplicative.When we do use an additive model? When do we use a multiplicative model?
The following list gives the gross federal debt(in millions of dollars) for the U.S. every 5 years from 1945 to 2000:
Year Gross Federal Debt ($millions)
1945 260,123
1950 256,853
1955 274,366
1960 290,525
1965 322,318
1970 380,921
1975 541,925
1980 909,050
1985 1,817,521
1990 3,206,564
1995 4,921,005
2000 5,686,338
Construct a scatter plot with this data. Do you observe a trend? If so, what type of trend do you observe?
Use Excel to fit a linear trend and an exponential trend to the data. Display the models and their respective r^2.
Interpret both models. Which model seems to be more appropriate? Why?
Attachment:- Contributions to the field of management.rar
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What is the approximate yield rate
: If a $500 bond bearing 12% semi-annual coupons is purchased at 97.5 and is redeemable at 102 in 4 years' time, what is the approximate yield rate?
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Determine what is the firm wacc
: If the firm's cost of debt is 9% before taxes, the cost of equity is estimated to be 12% before taxes, and the tax rate is 40%, what is the firm's WACC?
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Journalize the necessary adjusting entry at the end
: Sanregret Realty Co. pays weekly salaries of $12,500 on Friday for a five-day week ending on that day. Journalize the necessary adjusting entry
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What is operations management
: What is operations management? Why is operations management important to the field of management?
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Time series are particularly useful to track variables
: Time series are particularly useful to track variables such as revenues, costs, and profits over time.
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Which cash conversion cycle is the length of time from
: Which cash conversion cycle is the length of time from? the payment for the purchase of raw materials to manufacture a product until the sale of that product
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Prepare a chart of accounts that would be appropriate
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Research various international strategies
: Research various international strategies. Take one that you find interesting and investigate it more in depth.
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What direct labor efficiency variance for april was
: What direct labor efficiency variance for April was? Superior Company, which started business on April 1, uses a standard cost system in accounting
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