CQE Exam Questions
169 real CQE exam questions with expert-verified answers and explanations. Page 2 of 4.
- Question #51
Which of the following problem-solving tools is a column graph which displays a static picture of the process?
- Question #52
Which of the following actions or techniques is MOST useful in determining the original fundamental cause of a product or process nonconformance?
- Question #53
What order do the following corrective action steps normally take for nonconforming product? . Analyze the problem.
- Question #54
Of the problem solving categories below, what is the usual sequence? 1. Select a problem needing improvement. 2. Collect data. 3. Implement the solution. 4. Determine if project is...
- Question #55
The descriptive name for a fishbone or Ishikawa diagram is which of the following?
- Question #56
What is the standard deviation of the values below? 4.5, 5.1, 6.2, 2.1, 3.9
- Question #57
Regardless of the distribution of the individuals, the distribution of the average of n samples will follow which distribution as n becomes large?
- Question #58
A box contains 27 black and 3 red balls. A random sample of 5 balls is drawn without replacement. What is the probability that the sample contains one red ball?
- Question #59
Which of the following distributions have the set of all real numbers as their domain?
- Question #60
Determine the coefficient of variation for the last 500 pilot plant test runs of high temperature film having a mean of 900 Kelvin with a standard deviation of 54.
- Question #61
According to Tchebysheff's theorem what % of measurements must lie within 2.5 standard deviations of the mean?
- Question #62
The hypergeometric distribution should be used instead of the binomial distribution when
- Question #63
The distribution of a characteristic is negatively skewed. The sampling distribution of the mean for large samples is:
- Question #64
If a distribution is skewed to the right
- Question #65
If the probability of a success on a single trial is 0.2 and 3 trials are performed, what is the probability of at least one success?
- Question #66
A process is turning out end items that have defects of type A or type B or both. If the probability of type A defect is 0.1 and of a type B is 0.2, the probability that an end ite...
- Question #67
What is the standard deviation of the following data? 3.2, 3.1, 3.3, 3.3, 3.1
- Question #68
Periodically, a sample of 20 items are randomly selected from a population that is normally distributed, the average is computed, and plotted. Which of the following statements is...
- Question #69
If a distribution is skewed to the left, the median will always be
- Question #70
The expression below is which of the following?
- Question #71
Which of the following distributions models events that have 2 possibilities on each trial?
- Question #72
The equation below represents the:
- Question #73
The weight of paint cans is considered
- Question #74
A bin contains 40 pills with a weight of 3.1 gm. each, 30 pills weighing 3.2 gms each and 10 pills weighing 3.3 gms each. The weight of an average pill is found from
- Question #75
The following measurements for a sample with dimension X are representative of a process known to be in statistical control 42, 52, 64, 45, 53, 56, 70, 57, 49, 62 Which of the foll...
- Question #76
An X-bar and R chart with n=5 has been plotted for some time and has demonstrated random variation. Upon review of the last 30 plot points, the expected number of runs around the c...
- Question #77
What is the lower control limit for proportion defective if the average daily production is 5000 units and the average fraction defective is 0.02?
- Question #78
A single sampling plan calls for a sample size of 80 with an acceptance number of five and a rejection number of six If the quality of the submitted lots 10 percent defective. then...
- Question #79
You have been asked to sample a lot of 500 units from vendor whose past quality has been about 2% defective. A sample of 40 pieces is drawn from the lot and you have been told to r...
- Question #80
When using a control chart, a point plotting within the limits on the chart is
- Question #81
An X-bar and R chart was prepared for an operation using twenty samples with five pieces in each sample; X-bar was found to be 33.6 and R-bar was 6.20. During production, a sample...
- Question #82
Select the incorrect statement from among the following. The IDs of a certain piece of tubing are normally distributed with mean 1.00". The proportion of tubing with IDs less than...
- Question #83
Compute the upper control limit for an s chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7.
- Question #85
What percentage of the area under the standard normal curve is included within (+/-) 1.5 standard deviations from 0?
- Question #86
Which of the following control charts are more efficient than an X-bar chart at detecting small shifts in the mean?
- Question #87
A process has been experiencing problems lately. The operators charting the process have identified the cause to be due to a change in incoming materials. This problem is
- Question #88
A process is normally distributed with a mean of 200 and a variance of 25. One item is randomly selected, what is the probability of this item having a value greater than 210?
- Question #89
When used together for variables data, which of the following pair is the MOST useful in preparing control charts?
- Question #90
An X-bar chart has shown control for a long time. You see that points for the last 50 samples are all very near the center line on the chart. In fact, they are all within one sigma...
- Question #91
An electronics firm was experiencing high rejections in their multiple connector manufacturing departments. "p" charts were introduced as part of a program to reduce defectives. Co...
- Question #92
A typical use for the optical comparator would be to measure
- Question #93
The Dodge-Romig tables are designed to minimize which of the following parameters?
- Question #94
The MOST essential value of a surface plate in precision measurement application is which of the following?
- Question #95
Which of the following are TRUE statements regarding the use of visual inspection?
- Question #96
Which of the following is the BEST statement to make regarding the relationship between product precision and product production?
- Question #97
The maximum allowable percent defective for the process average is the
- Question #98
Applications for surface plate includes which of the following?
- Question #99
A process is in control with a defect rate of 0.2%. A sampling plans calls for 30 items to be selected at random, and for the process to be shut down and corrected if any defects a...
- Question #100
Which of the following nondestructive testing methods can be used to evaluate sub-surface discontinuities in aluminum bar stock?
- Question #101
The use of 100% inspection normally means