A pizza delivery service wants to track its delivery times. They take 3 samples of 5 deliveries and record the following data. What is the lower control limit (LCL) of their X-bar chart? (Your answer should be in 2- decimal places) Sample # 1 2 3 Item #1 22.9 23.3 20.6 Item #2 21.7 20.6 hs 23.5 Item #3 22.7 22.2 22.3 Item #4 22.6 22.4 21 Item #5 22.2 21.4 22.6 For your computation, you may need to refer to the following coefficient table: A2 D3 D4 SAMPLE SIZEN 2 1.88 0 3.27 3 1.02 o 2.57 2.28 4 0.73 0 18 AUS VIVOBook Item #4 22.6 22.4 21 Item #5 22.2 21.4 22.6 For your computation, you may need to refer to the following coefficient table: SAMPLE SIZE n A2 D3 D4 N 1.88 0 3.27 4 3 1.02 0 2.57 4 0.73 0 2.28 5 0.58 0 2.11 6 0.48 0 2 A pizza delivery service wants to track its delivery times. They take 3 samples of 5 deliveries and record the following data. What is the lower control limit (LCL) of their X-bar chart? (Your answer should be in 2- decimal places) Sample # 1 2 3 Item #1 22.9 23.3 20.6 Item #2 21.7 20.6 hs 23.5 Item #3 22.7 22.2 22.3 Item #4 22.6 22.4 21 Item #5 22.2 21.4 22.6 For your computation, you may need to refer to the following coefficient table: A2 D3 D4 SAMPLE SIZEN 2 1.88 0 3.27 3 1.02 o 2.57 2.28 4 0.73 0 18 AUS VIVOBook Item #4 22.6 22.4 21 Item #5 22.2 21.4 22.6 For your computation, you may need to refer to the following coefficient table: SAMPLE SIZE n A2 D3 D4 N 1.88 0 3.27 4 3 1.02 0 2.57 4 0.73 0 2.28 5 0.58 0 2.11 6 0.48 0 2