1-20chapter stats

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Unformatted text preview: histogram? A. 1.4 B. 0.8 C. 2.7 D. 1.7 E. 2.3 1-39 Chapter 01 - An Introduction to Business Statistics 40. A company collected the ages from a random sample of its middle managers with the resulting frequency distribution shown below: What would be the approximate shape of the relative frequency histogram? A. Symmetrical B. Uniform C. Multiple peak D. Skewed to the left E. Skewed to the right 41. A company collected the ages from a random sample of its middle managers with the resulting frequency distribution shown below: What is the relative frequency for the largest interval? A. .132 B. .226 C. .231 D. .283 E. .288 1-40 Chapter 01 - An Introduction to Business Statistics 42. A company collected the ages from a random sample of its middle managers with the resulting frequency distribution shown below: What is the midpoint of the third class interval? A. 22.5 B. 27.5 C. 32.5 D. 37.5 E. 42.5 43. The 550 students answered an additional question with the following results based on their rating of their instructor: What proportion of the students who rated their instructor as very or somewhat effective received a B or better in the class? A. 0.345 B. 0.254 C. 0.482 D. 0.898 E. 0.644 1-41 Chapter 01 - An Introduction to Business Statistics 44. The 550 students answered an additional question with the following results based on their rating of their instructor: What proportion of all 550 students received less than a C? A. 0.03 B. 0.06 C. 0.08 D. 0.13 E. 0.15 1-42 Chapter 01 - An Introduction to Business Statistics 45. 822 customers were randomly selected from those who had recently bought a book over the internet. The chart below shows the breakdown of the classification of the book type: What percentage of the books purchased were either mystery or science fiction/fantasy? A. 18.61 B. 36.50 C. 17.88 D. 24.33 E. 22.99 1-43 Chapter 01 - An Introduction to Business Statistics 46. 822 customers were randomly selected from those who had recently bought a book over the internet. The chart below shows the breakdown of the classification of the book type: What percentage of the books purchased were self-help books? A. 11.44% B. .1144% C. 1.82% D. 0.0182% E. 0.940% 1-44 Chapter 01 - An Introduction to Business Statistics 47. 822 customers were randomly selected from those who had recently bought a book over the internet. The chart below shows the breakdown of the classification of the book type: What percentages of books were in the top two categories? A. 22.99 B. 20.44 C. 4.50 D. 43.43 E. .4343 48. A graphical display of categorical data made up of vertical or horizontal bars is called a _____. A. Pie Chart B. Pareto Chart C. Bar Chart D. Ogive Plot 1-45 Chapter 01 - An Introduction to Business Statistics 49. A flaw possessed by a population or sample unit is _____. A. always random B. a defect C. displayed by a dot plot D. the cause for extreme skewness to the right 50. A graphical portrayal of a data set that divides the data into classes and gives the frequency of each class is a(n) _____. A. Ogive Plot B. Dot Plot C. Histogram D. Pareto Chart E. Bar Chart 51. The number of measurements falling within a class interval is called the _____. A. Frequency B. Relative frequency C. Leaf D. Cumulative sum 52. A relative frequency curve having a long tail to the right is said to be _____. A. Skewed to the left B. Normal C. A scatterplot D. Skewed to the right 53. The percentage of measurements in a class is called the _____ of that class. A. Frequency B. Relative frequency C. Leaf D. Cumulative percentage 1-46 Chapter 01 - An Introduction to Business Statistics 54. A histogram that tails out towards larger values is _____. A. Skewed to the left B. Normal C. A scatterplot D. Skewed to the right 55. A histogram that tails out towards smaller values is _____. A. Skewed to the left B. Normal C. A scatterplot D. Skewed to the right 56. A(n) ___________ is a graphical display of categorical data made up of vertical or horizontal bars. A. Pareto chart B. Bar chart C. Ogive plot D. Histogram 57. A __________ can be used to differential the "vital few" causes of quality problems from the "trivial many" causes of quality problems. A. Pareto chart B. Bar chart C. Ogive plot D. Cross tabulation table 58. A ________ is a graph of cumulative distribution. A. Bar chart B. Relative frequency histogram C. Frequency histogram D. Ogive plot 1-47 Chapter 01 - An Introduction to Business Statistics 59. Using the following data, describe the shape of the data distribution. A. Skewed to the left B. Bi-model C. Normal D. Skewed to the right 60. Using the following data, what would be the range of the values of the stem in a stem and leaf display? A. 11-17 B. 11-18 C. 10-18 D. 12-17 E. 12-18 61. Using the following data, what would be the leaf unit in a stem and leaf display? A. 1.0 B. 10 C. .10 D. .01 E. .20 1-48 Chapter 01 - An Introduction to Business Statistics 62. Consider the following data on distances traveled by people to visi...
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This document was uploaded on 01/20/2014.

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