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The stationary Gaussian process Xn with expected value E[Xn] = 0 and autocorrelation function RX (k) = 2-|k| is passed through the linear filter given by the filter vector h = [1 -1 1]'. Find the PDF of X = [X3 X4X5]'.
Weekly rates of return (on an annualized basis) for certain securities over a given period are believed to be normally distributed with mean 8.00% and variance 0.25. Give two values x1 and x2 such that you are 95% sure that annualized weekly return..
a hypothesis test for a population proportion p is given below ho p 0.25 vs. ha p ne 0.25 ne means not equal for
Bill is completing a project for you in the marketing department. In conducting his anaysis regarding consumer behavior and a new product that has been released, he tells you the correlation between these two variables is 1.09.
What is the probability there will be between 10 and 14 calls inclusive arriving at the company in the next 15 minutes?
What is the probability that Both favored teams win their games, Neither favored team wins its game and At least one of the favored teams wins its game?
A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection. Be very specific in your presentation.
Display the loadings of the first two components. Explain clearly what they tell you about the relationship between the original variables (X1 to X6) and the first two components.
the home run percentage is the number of home runs per 100 times at bat. a random sample of 43 professional baseball
Which of the following terms describes the overall long-term tendency of a time series?
Suppose you were a seller of annuities in 1662 when Graunt's book was published. Explain how you would make use of his data on the ages at which people were dying.
A researcher selects a random sample of 30 units from a population having a median M. Construct the rejection region for testing the research hypothesis Ha: M > M0 using a = .01 and values in Table 4 of the Appendix.
Identify the sampling techniques used, and discuss potential sources of bias(if any). Explain.Using random digit dialing, researchers call 1400 people and ask what obstacles keep them from voting.
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