Can i get help with question number 7 please?

Question 7 1.6 pts Auto pistons at Wemming Chung's plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons produced each day, the mean and the range of this diameter have been as follows: Day Mean (MM) Range (MM) 1 156.9 4.2. 153.2 4.6 3 153.6 4.1 4 155.5 5.0 5 156.6 4.5 Fill in the blanks with 2 decimal points. The value of is and the value of Ris 1 ) F5 F6 F7 F8 F9 FIO FIL % 1 og 156.9 4.2 2 153.2 4.6 3 153.6 4.1 4 155.5 5.0 5 156.6 4.5 Fill in the blanks with 2 decimal points. The value of is and the value of Ris Using 30, the UCL., is and LCL) is Using 30, the UCLR is and LCLR is If the true diameter mean should be 155mm and you want this as your center (nominal) line, the new UCL will be and the new LCL, will be II F5 F6 FZ F8 F9 FIO FIL % A & *