TQM QUIZ……….5
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
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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.