4) ( 20 points) Verification, calibration, and Valldation a) (10 points) a simulation model of a job shop was developed to investigate different scheduling rules. It was estimated that the average number of jobs in the shop was 21.4 on a given day. Six independent replications of the model were run, each of 25 days' duration, with the following results for average number of jobs in the shop: [18.9,19.4,22.1,21.9,20.2,17.2] 1. Develop and conduct a statistical test to evaluate whether model output is consistent with system behavior: Use the level of significance =0.05. b) (10 points ) the results for 6 replications of a calling center, are summarized on the table. [Note that; Sample mean is 6.27 and the standard deviation is 1.65 ] L. If you know that =1 minutes is critical, use the confidence-interval approach to assess the validity of the model. Knowing that 0=5.8 minutes