Question

Use the following data for questions 53 and 54. One sample of six loaves of bread was taken from the output of an oven at Elvis Bakery and Plumbing Supply to monitor the quality. Each loaf was weighed and the results are shown below. Loaf Weight 16.02 16.07 15.98 15.99 16.04 15.97 53. What is the sample average, for this sample? A) 96.07 B) 18.01 C) 16.01 D) 17.01 E) 86.07 54. What is the sample range R, for this sample? A) 0.01 B) 0.08 C) 0.10 D) 0.06 E) 0.04 55. Ten (10) samples of one hundred (100) parts chart for attributes. Calculate the appropriate upper control limit given that z is equal each were taken from an ongoing process to establish a p to Sample number Quantity defective 7 8 46 7 4 6 4 7 D) .128 E) .070 A) .080 B) .058 C) .049

Answer 1

53

Sample Average = Average of all observations = (16.02+16.07+15.98+15.99+16.04+15.97)/6 = 16.01

Hence, option (c)

54

Sample Range = R = Maximum value - Minimum Value = 16.07 - 15.97 = 0.10

Hence, option (c)