Question: After designing the control charts, the quality control team took 5 samples, and in each sample they measured the weight of 10 packets. The results

After designing the control charts, the quality

After designing the control charts, the quality control team took 5 samples, and in each sample they measured the weight of 10 packets. The results from the 5 samples of 10 packets are: Sample X-bar R 1 1 44 9 N 40 N 3 3 46 5 4 39 8 5 48 3 Which of the following statements are true about the process: A) Process variability is in statistical control B) Process average is in statistical control C) In conclusion, the process is in control D) In conclusion, the process is out of control O A and D O A, B and C O A and C B and C B and D A critical dimension of the service quality of a call center is the wait time of a caller to get to a sales representative. Periodically, random samples of three customer calls are measured for time. Suppose that the average and the standard deviation of the process distribution are 501 and 5.77, respectively. The specifications for the access time are 500 + 18 sec. Answer the following questions using the information above. Question 16 5 pts What are Upper specification Limit (USL) and Lower Specification Limit (LSL) for this process? O USL= 518, LSL = 482 O USL= 505.77, LSL = 494.33 O USL= 506.77, LSL = 495.33 O USL=519, LSL = 483 U Question 17 5 pts What is the process Capability Ratio? O 1.125 O 0.905 O 0.893 01.039 Question 18 5 pts What is the process Capability Index? O 1.039 O 0.982 1.097 0 1.125 Question 19 5 pts Which of the following statements are correct? A) The process is capable if three-sigma performance is desired. B) The process is capable if 4-sigma performance is desired. Only B o Only A Both A and B Neither Anor B

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