What is the sample mean of a time series if the AR(1) process with autoregressive coefficient 0.4 estimated from that series has intercept 1.2?
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What is the sample mean of a time series if the AR(1) process with autoregressive coefficient 0.4 estimated from that series has intercept 1.2?
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- Define the Ordinary Least Square estimator is linear and conditionally unbiased?Find the value of the mode from the following data Class. Frequency 0-10. 8 10-20. 12 20-30. 14 30-40. 16 40-50. 20 50-60. 22 60-70. 28 70-80. 17 80-90. 14 90-100. 10Southern States Bank and Trust Southern States Bank and Trust monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company's goal. A sample of drive-thru times at the UCF branch was recently taken and is shown here. The frequency is the number of service times and the time interval is the service time in minutes. Time Interval Frequency 10 - 19 5 20 29 12 30 39 13 40 49 11 50 59 6. Compute the mean for these sample data. (Round to the nearest 2 decimal places, if needed.)
- X(t) is a wide sense stationary stochastic process with autocorrelation function sin(271000r) R„(T)=10- 271000r The process Y(t) is a version of X(t) delayed by 50 micro seconds. {Y(t) = X(t - t0)} (a) Derive the autocorrelation function of Y (t). (b) Derive the cross-correlation function of X(t) and Y (t). (c) Are X(t) and Y (t) jointly wide sense stationary? IUnloaded File DetailsConsider the following data: −9,13,−14,−14,−9,−14,−9−9,13,−14,−14,−9,−14,−9 Copy Data Step 3 of 3: Calculate the value of the range.Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. log 10,000
- these are the dataset: College Distance,Dist,Ed0.7,122.2,120.3,160,123.6,121,140.1,150.5,140.3,160.4,121,127.5,120.5,121.8,122.5,141.7,160.5,161,120.5,153,163.6,135,162,120.3,123,121.3,140.5,163.5,162,153.2,120.7,130.5,130.7,130.3,121,121.5,121.2,166.5,120.7,135,152.5,150.1,160,161,120.5,130.2,160.4,132.6,151,130.3,120.5,150.5,171.5,174,124,140,131.5,120.1,122,120.3,160.1,144,163,122.2,120.1,120.7,150.3,153.3,150.1,130.7,153.5,122.6,125,157,120.8,120.3,150.8,130.5,120.5,150.8,131.5,120.3,120.3,1515,164.5,142.5,131.1,121.5,120.3,170,120.1,174,125.6,124.5,130.2,152.5,1216,120.5,130.2,122,16 *answer there is incorrectThe number of times a sound wave vibrates in one second is called: a) Amplitude b) Frequency c) Wavelength d) SpeedThe assumption that is required to shows the efficiency of the OLS estimator, consistency and unbiasedness is: i) Cov(u,,u-;) { A0 ii) Var(u,) =o? iii) E(u,) = 0 iv) u, ~ N(0,0²) a) (i), (ii) and (iii) only b) (i) and (iii) only c) (ii) and (iv) only d) (i), (ii) (iii) and (iv) Answer O A OD