60) Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, EX= 15,350 and ER = 411.4. To construct a mean chart, what is the upper control limit for the mean? A) 614.00 B) 411.4 C) 626.00 D) 3837.5 61) Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, EX= 15,350 and ER = 411.4. To construct a mean chart, what is the LCL for the mean? A) 602.00 B) 411.40 C) 625.67 D) 0.00 62) Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, EX = 15,350 and ER = 411.4. To construct a range chart, what is the UCL for the range? A) 37.553 B) 411.400 C) 0.000 D) 102.850 63) Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, EX = 15,350 and ER = 411.4. To construct a range chart, what is the LCL for the range? A) 602.004 B) 411.400 C) 625.666 D) 0.000 64) A new machine used in the production of motor mount bolts was put into operation. Five samples of size 100 were randomly selected and the number of defectives in each sample was noted. Sample 4 Defectives The measurement of quality is based on A) an attribute B) a variable C) a scale D) a chart