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Unformatted text preview: atistics 25. The number of miles a truck is driven before it is overhauled is an example of a(n)
_____________ variable.
A. Nominative
B. Ordinal
C. Interval
D. Ratio AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Topic: Variable 26. Which one of the following sampling examples would generally lead to the least reliable
statistical inferences about the population from which the sample has been selected?
A. A random sample selected without replacement.
B. A random sample selected with replacement.
C. A voluntary response sample.
D. A systematic sample. AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Sample 27. A(n) ___________________ variable is a qualitative variable such that there is no
meaningful ordering or ranking of the categories.
A. Ratio
B. Ordinal
C. Nominative
D. Interval AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Variable 120 Chapter 01  An Introduction to Business Statistics 28. A person's telephone area code is an example of a(n) _____________ variable.
A. Nominative
B. Ordinal
C. Interval
D. Ratio AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Topic: Variable 29. Any characteristic of a population unit is a(n):
A. Measurement
B. Sample
C. Observation
D. Variable AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variable 30. A list of all of the units in a population is called _____.
A. Census
B. Frame
C. A sample
D. A variable AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Population 121 Chapter 01  An Introduction to Business Statistics 31. In order to improve the quality of products and services, we must remove the root causes
of process _____.
A. inference
B. variation
C. capability
D. changes AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Process/Statistical Control 32. Any characteristic of a population is called a _____.
A. set
B. process
C. variable
D. census AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Population 33. The goal of _____ is to stabilize and reduce the amount of process variation.
A. Statistical Process Control
B. census taking
C. random sampling
D. statistical analysis AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Process/Statistical Control 122 Chapter 01  An Introduction to Business Statistics 34. A _____ is an examination of all the units in a population.
A. random sampling with replacement
B. random sampling without replacement
C. statistical inference
D. census AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Population 35. _____ is the difference between a numerical description of the population and the
corresponding description of the sample.
A. Variability
B. Statistical inference
C. Sampling error
D. Measurement error AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Hard
Topic: Sample 36. A _____ is a list of all the units in a population.
A. census
B. frame
C. sample
D. variable AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Population 123 Chapter 01  An Introduction to Business Statistics 37. The process of assigning a value of a variable to each unit in a population or sample is
called _____.
A. sampling
B. measurement
C. Statistical Process Control
D. observational analysis AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variable 38. A ____ is a display of individual process measurements versus time.
A. runs plot
B. statistical analysis
C. random sample
D. measurement AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Process/Statistical Control 39. Statistical _____ refers to using a sample of measurements making generalizations about
the important aspects of a population.
A. sampling
B. process control
C. analysis
D. inference AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Sample 124 Chapter 01  An Introduction to Business Statistics 40. A _____ is a subset of the units in a population.
A. census
B. frame
C. sample
D. variable AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Sample 41. A _____ variable can have values that are numbers on the real number line.
A. qualitative
B. quantitative
C. random
D. nominative AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variable 42. A sequence of operations that takes inputs and turns them into outputs is a _____.
A. process
B. statistical analysis
C. runs plot
D. random sampling AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Process/Statistical Control 125 Chapter 01  An Introduction to Business Statistics 43. A _____ variable can have values that indicate into which of several segments of a
population it belongs.
A. qualitative
B. quantitative
C. ratio
D. interval AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variable 44. A set of existing units we wish to study is called a __...
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This document was uploaded on 01/20/2014.
 Winter '14

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