This exercise contains only parts a and b. a) For the given data, the x= hours (round jour response to three decimal places). For the given data, mean range = hours (round your response to two decimal places). With z=3, the control limits for the mean chart are: UCLx= hours (round your response to throe decimal places). LCLx= hours (round your response to three decimal places). The control limits for the range chart are: UCLR= hours (round your response to two decimal places). LCLR= hours (round your rosponse to two decimal ploces). Refer to Table S6.1- Factors for Computing Controd Chat Limits (3 sigma) for this problem. West Battery Corp. has recently been recolving complaints from retailers that its 9 -volt batteries are not lasting as long as other name brands. James West, head of the TOM program West Bateiy corp. has recenty been recolving complaints from retailers that is 9 -volt batienes are not believes there is no problem because his batteries have had an average life of 55 hours, about 10% longer than competitors models. To raise the lifetime above this level would require a new level of technology not avalable to West. Nevertheless, he is concemed onough to sot up hourly assembly line chocks. Previously. atier. ensaring that the process was running properly, West took samples of 59 -volt batteries for 25 tost to establish the standards for control chart limits. Those 25 tests are shown in the following table: This exercise contains only parts a and b. a) For the given date, the x= hours (round your response to three docimal places)