For a given sample size (n) and number of defects acceptable ©, the Average Total Inspection (of units) should ______________ with increase in N (lot size).

Related MCQs

• Consider the first method of p bar estimation where each sample is of varying size. If the 3rd sample has p bar =.01, and the sample size of the 3rd sample is 10, what will be the upper control limit for the 3rd sample?
• In a double sampling plan, let d1 be the number of defects in the first sample and d2 be the number of defects in the second sample. Let c2 be the acceptance number for both samples. The condition for rejection is:
• You conduct a hypothesis test and you observe values for the sample mean and sample standard deviation when n = 25 that do not lead to the rejection of Ho (null hypothesis). You calculate a p-value of 0.0667. What will happen to the p-value if you observe the same sample mean and standard deviation for a sample n>25?
• Factory A produces 100 pieces of wooden legs used in manufacturing tables in 1 hour. The factory in total works for 3 hours. The quality manager decided to check the quality of the output by measuring the length of the legs (in cms). He decides to collect three samples (one for each hour). The sample size for each sample is fixed at 5. The data collected is present in the following table: What is the mean and range of leg length in sample 1?
• 100% inspection for defects may be neither possible nor desirable, When is sampling for defects likely to be most useful?
• Assume the cholesterol levels in a certain population have mean μ = 200 and standard deviation σ = 24. The cholesterol levels for a random sample of n = 9 individuals are measured and the sample mean x-bar is determined. What is the z-score for a sample mean x = 180?
• The key to quality is to design and build to the requirements and avoid attempts to inspect quality into the product. There is a need, however, to conduct inspections a critical junctures in the assembly process to ensure defective items are identified prior to making a costly interface or concealing a physical attribute that cannot be inspected at a later time. Inspection plan will identify the points at which examinations of processes, materials, or assemblies are required. However, inspection plans normally do not include ______________.
• Consider that for a process s bar (average standard deviation of 50 samples each of size 4) is found to be 10.04. The value of c4 (corresponding to sample size of .4) is .92. What is the estimated value of process standard deviation?
• The same quality control manager decides to increase his daily sample size from three to six. The size of the control band will:
• Self-inspection by the individual performing the work is used to achieve quality in a product. The advantages of self-inspection include ______________.