need answer fast

MV-Send 3. As the Operations Manager you are observing the concrete slabs coming off the production line. Using the following information below, you are trying to determine if your mean chart limit to see if you are in control. Unfortunately, you do not have access to the process standard deviation, but you know you want to calculate the control chart to 3 sigma. Using the following information: -Overall Process average is 82kg for the concrete slab. - The average range of the process is 1.4kg. - The Sample size used per observation is five a) Determine the UCL of control mean (9 marks) b) Determine the LCL of control mean (9 marks) Sere COPY 10 CLIPBOARD 9 M 00:23