SOLVED

31) A process control chart used to monitor the sample means of variables that result from a process and is often used in quality control best defines A) X-bar charts. B) R-charts. C) P-charts. D) C-charts. 32) A computer crashing is an example of a(n) A) reviewable cause. B) assignable cause. C) unassignable cause. D) disruptive cause. 33) Control charts that monitor the dispersion or variability of the process are A) P-charts. B) C-charts. C) R-charts. D) X-bar charts. 34) Which of the following measures the proportion of items in a sample that are defective? A) PERT charts B) X-bar charts C) C-charts D) P-charts 35) A critical aspect of quality control and evaluates the ability of a project process to meet or exceed the expectations or preset specifications best describes A) process capability. B) risk assessment. C) resource breakdown structure. D) cluster sampling. 36) A process capability index above 1 means that the process variability A) just meets specifications and the process is minimally capable. B) is tighter than specifications and the process exceeds minimal capability. C) is outside the range of specification, the process is not capable of producing within specification, and the process must be improved. D) is none of the above. 37) A process capability index equal to 1 means that the process variability A) just meets specifications and the process is minimally capable. B) is tighter than specifications and the process exceeds minimal capability. C) is outside the range of specification, the process is not capable of producing within specification, and the process must be improved. D) is none of the above. 38) A statistical method for identifying which factors influence specific variables of a product or process and which variable has the greatest effect best describes A) process capability. B) statistical control process. C) design of experiments. D) statistical sampling. 39) Which of the following is the sampling selection method where every member of the population is given an equal chance? A) judgment sampling B) cluster sampling C) quota sampling D) simple random sampling 40) Which of the following is the sampling selection method where the population is stratified by important variables, and the required quota is obtained from each stratum or level? A) judgment sampling B) cluster sampling C) quota sampling D) simple random sampling 41) Which of the following is the sampling selection method that uses deliberate choices of information and excludes any random process? A) judgment sampling B) cluster sampling C) quota sampling D) simple random sampling 42) The range in which the true value of the population is estimated best defines level of A) confidence. B) precision. C) variability. D) viability. 43) The likelihood that the result obtained from the sample is within the level of precision defines level of A) confidence. B) flexibility. C) variability. D) viability. 44) Quality review methods include A) expert reviews. B) process reviews. C) management reviews. D) all of the above. 45) Which of the following types of reviews is conducted to evaluate the status of a project in order to understand and allocate resources? A) formal reviews B) walk-through reviews C) management reviews D) process reviews