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Construct a signal plus noise random sequence using 10 samples of the following:
Where is a sequence of zero-mean, unit variance, IID Gaussian random variables, s the time between samples of the process. (a) Calculate the period gram estimate of the PSD
(b) Calculate a parametric estimate of the PSD using AR models with P = 1, 2, 3, and 5. Compare the parametric estimates with the period gram. In your opinion, which order AR model is the best fit.
(c) Repeat parts (a) and (b) using 100 samples instead of 10.
(i) Power = 0.9, sample size = 40; and Power = 0.9, sample size = 20. (ii) Power = 0.75, sample size = 40; and Power = 0.75, sample size = 20. (iii) Power = 0.9, hypothesized mean shift to be detected = 0.5, and Power = 0.9, hypothesized mean shift t..
In a study designed to test the effectiveness of garlic for lowering cholesterol, 49 adults were treated with garlic tablets. Cholesterol levels were measured before and after the treatment.
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A year ago, the spot exchange rate of the euro was $1.20. At that time, Talen Co. (a U.S. firm) invested $4 million to establish a project in the Netherlands. It expected that this project would generate cash flows of 3 million euros at the end of..
the life expectancy of a common brand of battery is normally distributed with a mean of 400 hours and a standard
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