1. Question: (TCO 11) Which of the following is not a tool of descriptive statistics? Your Answer: a. frequency distribution b. regression analysis ANSWER c. proportion IN d. histogram Instructor Explanation: (See p. 556) Points Received: 0 of 2 2. Question: (TCO 11) The component of statistical methodology that includes the collection, organization, and summarization of data is called Your Answer: a. descriptive statistics. b. analytical statistics. c. inferential statistics d. predictive statistics. Instructor Explanation: (See p. 555) Points Received: 2 of 2 3. Question: (TCO 11) _____ is the process of drawing conclusions about unknown characteristics of a population from data. Your Answer: a. Logical inference b. Post-data inference c. Statistical inference d. Random inference Instructor Explanation: (See p. 561) Points Received: 2 of 2 4. Question: (TCO 11) Partitioning a population into hierarchical groups or levels, and selecting a sample from each group or level is known as which of the following? Your Answer: simple random sampling stratified sampling systematic sampling judgment sampling Instructor Explanation: (See p. 551) Points Received: 2 of 2 5. Question: (TCO 11) Which of the following constitutes an operational approach to reducing sampling error? Your Answer: cross-checking research designs with knowledgeable analysts questioning the assumption that tomorrow’s and today’s population are comparable taking a larger sample from the population reducing conditions that contribute to dissimilar population segments Instructor Explanation: (See p. 552) Points Received: 2 of 2 6. Question: (TCO 12) A statistical technique that is useful for interpreting scatter diagrams is which of the following? Your Answer: the average correlation analysis the standard deviation nominal group technique Instructor Explanation: (See p. 677) Points Received: 2 of 2 7. Question: (TCO 12) To enable a service process to be mistake-proof, unlike manufacturing processes, the _______ must be considered. Your Answer: process owner customer environment manager Instructor Explanation: (See p. 680) Points Received: 2 of 2 8. Question: (TCO 12) Which of the following pairs of charts are used together? Your Answer: a. X-Bar chart and p-chart R-chart and p-chart R-chart and s-chart X-Bar chart and R-chart Instructor Explanation: (See p. 718) Points Received: 2 of 2 9. Question: (TCO 12) Short repeated patterns in a control chart, with alternating high peaks and low valleys, are known as Your Answer: a. trends. b. cycles. c. spikes. d. reciprocals. Instructor Explanation: (See p. 725) Points Received: 2 of 2 10. Question: (TCO 12) If a process is neither capable nor in control, the appropriate first step is to Your Answer: a. remove common causes. b. redesign the equipment. c. remove sources of special cause variation. d. determine the process capability index. Instructor Explanation: (See p. 715) Points Received: 2 of 2 ________________________________________ ________________________________________ Page: 2 1. Question: (TCO 11) Which of the following is not a tool of descriptive statistics? Your Answer: a. frequency distribution b. regression analysis ANSWER c. proportion IN d. histogram Instructor Explanation: (See p. 556) Points Received: 0 of 2 2. Question: (TCO 11) The component of statistical methodology that includes the collection, organization, and summarization of data is called Your Answer: a. descriptive statistics. b. analytical statistics. c. inferential statistics d. predictive statistics. Instructor Explanation: (See p. 555) Points Received: 2 of 2 3. Question: (TCO 11) _____ is the process of drawing conclusions about unknown characteristics of a population from data. Your Answer: a. Logical inference b. Post-data inference c. Statistical inference d. Random inference Instructor Explanation: (See p. 561) Points Received: 2 of 2 4. Question: (TCO 11) Partitioning a population into hierarchical groups or levels, and selecting a sample from each group or level is known as which of the following? Your Answer: simple random sampling stratified sampling systematic sampling judgment sampling Instructor Explanation: (See p. 551) Points Received: 2 of 2 5. Question: (TCO 11) Which of the following constitutes an operational approach to reducing sampling error? Your Answer: cross-checking research designs with knowledgeable analysts questioning the assumption that tomorrow’s and today’s population are comparable taking a larger sample from the population reducing conditions that contribute to dissimilar population segments Instructor Explanation: (See p. 552) Points Received: 2 of 2 6. Question: (TCO 12) A statistical technique that is useful for interpreting scatter diagrams is which of the following? Your Answer: the average correlation analysis the standard deviation nominal group technique Instructor Explanation: (See p. 677) Points Received: 2 of 2 7. Question: (TCO 12) To enable a service process to be mistake-proof, unlike manufacturing processes, the _______ must be considered. Your Answer: process owner customer environment manager Instructor Explanation: (See p. 680) Points Received: 2 of 2 8. Question: (TCO 12) Which of the following pairs of charts are used together? Your Answer: a. X-Bar chart and p-chart R-chart and p-chart R-chart and s-chart X-Bar chart and R-chart Instructor Explanation: (See p. 718) Points Received: 2 of 2 9. Question: (TCO 12) Short repeated patterns in a control chart, with alternating high peaks and low valleys, are known as Your Answer: a. trends. b. cycles. c. spikes. d. reciprocals. Instructor Explanation: (See p. 725) Points Received: 2 of 2 10. Question: (TCO 12) If a process is neither capable nor in control, the appropriate first step is to Your Answer: a. remove common causes. b. redesign the equipment. c. remove sources of special cause variation. d. determine the process capability index.
