Please provide explanation for answers below. Thank you! 46. If the LCL in a U-C

Question

Please provide explanation for answers below. Thank you!

46. If the LCL in a U-Chart is negative, it is positioned at zero.

True or False

47. An inspection unit is 100. The sample size is 400. The subgroup size is ___

a.) 0.25

b.) 4

c.) 100

d.) 400

48. The inspection unit and th enumber in a sample are the same.

True or False

49. A U-chart measures the average number of noncomformities per inspection unit sampled.

True or False

50. The value of u is equal to the number of noncomformities divided by the ______

a.) sample size

b.) subgroup size

c.) inspection unit

d.) population size

Explanation / Answer

Please post 1 question per post as per forum rules. Write back in case of doubts:

We know that defects can not be less than zero (that is negative). Therefore, even though mathematically (in case) we get negative value (lower control limits) - logically we have to take zero.

Hence, the answer is TRUE

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