is used for analyzing capacity planning decisions. Select one: O a. Network analysis O b. Simulation and Waiting Line Analysis O c. Present-value Analysis O d. Break-even Analysis The operating characteristics of a queuing system provide information rather than an optimization of a queuing system. Select one: O True O False The figure below shows the estimated autocorrelation and partial autocorrelations of a time series of n = 60 observations. Based on these plots, we should. 1 0 1 0 Lag AutoCorr 0 1.0000 0.9353 0.8875 0.8413 0.7938 0.7532 6 0.6906 7 0.6172 8 0.5809 9 0.5331 10 0.4894 11 0.4385 12 0.3822 13 0 3410 Partial 1.0000 0.9353 0.1016 0.0042 -0.0293 0.0272 -0.1883 -0.1681 0.2315 -0.0502 -0.0259 -0.0638 -0.0354 - 0061 Select one: O a. Fit an AR(1) model to the time series O b. Transform the data by taking logs O c. Fit an MA(1) model to the time series O d. Difference the series to obtain stationary data