1. A box plot is a graphical representation of data that is based on _____   a five-number summary
2. A frequency distribution is a ___   tabular summary of a set of data showing the number of items in each of several nonoverlapping classes
3. A graph with skewness -1.8 would be which of the following?  highly skewed right
4. A graphical device for depicting categorical data that have been summarized in a frequency distribution, relative frequency distribution, or percent frequency distribution is a(n) _____  Bar chart
5. A graphical presentation of a frequency distribution, relative frequency distribution, or percent frequency distribution of quantitative data constructed by placing the class intervals on the horizontal axis and the frequencies on the vertical axis is a _____.   Histogram
6. A histogram is NOT appropriate for displaying which of the following types of information?   cumulative frequency
7. A numerical measure, such as a mean, computed from a population is known as a _____.  population parameter
8. A researcher asked 20 people for their zip code. The respondents zip codes are an example of _____.   categorical data
9. A researcher has collected the following sample data. The mean of the sample is 5.
   3. 5. 12. 3. 2
   Refer to Exhibit 3-2. The interquartile range is _____.   2
10. A researcher has collected the following sample data.
    512685 675124
    
    Refer to Exhibit 3-1. The mean is _____.   7
11. A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4. The designated geographical regions represent ___ _   categorical data
12. A sample of five Fortune 500 companies showed the following revenues ($ millions): 7505.0, 2904.7, 7208.4, 6819.0, and 19500.0. Based on this information, which of the following statements is correct?    An estimate of the average revenue for all Fortune500 companies is 8787.42 ($ millions).
13. A sample point refers to a(n) _____.  individual outcome of an experiment
14. A Scanner Data User Survey of 50 companies found that the average amount spent on scanner data per category of consumer goods was $387,325 (Mercer Management Consulting, Inc., April 24, 1997). The $387,325 is an example of ___ Both quantitative data and a descriptive statistic are correct.
15. A set of visual displays organizing and presenting information used to monitor the performance of a company or organization in a manner that is easy to read, understand, and interpret is called a ____  data dashboard
16. A(n) _____ is an unusually small or unusually large data value.   Outlier
17. A(n) __________ is a collection of sample points.   Event
18. A(n) __________ is a graph of a cumulative distribution.   Ogive
19. An important numerical measure related to the shape of a distribution is the _____.   Skewness
20. Before drawing any conclusions about the relationship between two variables shown in a crosstabulation, you should ____   investigate whether any hidden variables could affect the conclusions
21. Categorical data __   may be either numeric or nonnumeric
22. Chebyshev’s theorem requires that z be _____.   Greater than 1
23. Chebyshev’s theorem is applicable _____.   to any data set
24. Data collected at the same, or approximately the same, point in time are _____ data.   cross-sectional
25. Do males prefer a particular type of smartphone more than females? A survey was conducted to help answer this question. The results are displayed below.
    
    What type of phone do males prefer?   Android
26. Excel’s _____ function can be used to compute the middle value of an ordered data set.  MEDIAN
27. Excel’s _____ function can be used to compute the sample covariance   COVARIANCE.S
28. Excel’s _____ function can be used to compute the sample standard deviation.  STDEV.S
29. Excel’s __________ can be used to construct a frequency distribution for quantitative data.  PivotTable report
30. Excel’s Chart Tools can be used to construct a _____.  bar chart, pie chart, histogram, All of these can be constructed using Excel’s Chart Tools.
31. Facts and figures collected, analyzed, and summarized for presentation and interpretation are called _____.   Data
32. Frequency distributions can be made for _  both categorical and quantitative data
33. Generally, which of the following is the least appropriate measure of central tendency for a data set that contains outliers?   Mean
34. If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the __   Fewest classes
35. If the data distribution is symmetric, the skewness is _____  0
36. If P(A) = .5 and P(B) = .5, then P(A ∩ B) _____.  cannot be determined from the information given
37. In a five-number summary, which of the following is NOT used for data summarization?  Mean
38. In a post office, the mailboxes are numbered from 1 to 5,000. These numbers represent __Categorical data
39. In a questionnaire, respondents are asked to mark their gender as Male, Female, Transgender MtoF, Transgender FtoM, Non-binary, or Intersex. Gender is an example of a(n) _____ variable   Categorical
40. In a questionnaire, respondents are asked to record their age in years. Age is an example of a _____. quantitative variable
41. In a stem-and-leaf display, _____.   one or more digits are used to define each stem, and a single digit is used to define each leaf
42. In computing descriptive statistics for grouped data, the _____ are used to approximate the data values in each class.   class midpoints
43. Information on the type of industry is provided for a sample of 50 Fortune 500 companies.
    Industry Type
    Frequency
    Banking
    7
    Consumer Products
    15
    Electronics
    10
    Retail
    18
    Refer to Exhibit 2-2. The percent frequency of industries that are classified as electronics is ____   20
44. Of 800 students in a university, 360, or 45%, live in the dormitories. The 800 is an example of _____.   A population
45. Quantitative data _   are always numeric
46. Six hundred residents of a city are polled to obtain information on voting intentions in an upcoming city election. The 600 residents in this study is an example of a(n) _____.   Sample
47. Temperature is an example of which scale of measurement?   Interval
48. The average age in a sample of 90 students at City College is 20. From this sample, it can be concluded that the average age of all the students at City College   could be larger, smaller, or equal to 20
49. The birth weight of newborns, measured in grams, is an example of   quantitative data
50. The coefficient of variation indicates how large the standard deviation is relative to the _____.   Mean
51. The collection of all elements of interest in a study is ___   The population
52. The correlation coefficient _____.  cannot be larger than 1
53. The correlation coefficient ranges from which two values?   −1 and +1
54. The Department of Transportation of a city has noted that on the average there are 14 accidents per day. The average number of accidents is an example of ____    descriptive statistics
55. The first quartile _____ .   is the same as the 25th percentile
56. The measure of central location most often reported for annual income and property value data is the _____. Median
57. The measure of dispersion that is influenced most by extreme values is the _____   Range
58. The measure of location most likely to be influenced by extreme values in the data set is the _____.   Mean
59. The Microsoft Office package used to perform statistical analysis is   Excel
60. The minimum number of variables represented in a bar chart is _____.  1
61. The most frequently occurring value of a data set is called the _____.  Mode
62. The multiplication law is potentially helpful when we are interested in computing the probability of _____ the intersection of two events
63. The number of observations in a complete data set having 10 elements and 5 variables is ___10
64. The number of sick days taken (per month) by 200 factory workers is summarized below.
    Number of Days
    Frequency
    0−5
    120
    6−10
    65
    11−15
    14
    16−20
    1
    
    Refer to Exhibit 2-3. The number of workers who took more than 10 sick days per month is ___15
65. The number of sick days taken (per month) by 200 factory workers is summarized below.
    Number of Days
    Frequency
    0−5
    120
    6−10
    65
    11−15
    14
    16−20
    1
    
    Refer to Exhibit 2-3. The relative frequency of workers who took 10 or fewer sick days is _   .925
66. The number of sick days taken (per month) by 200 factory workers is summarized below.
    Number of Days
    Frequency
    0−5
    120
    6−10
    65
    11−15
    14
    16−20
    1
    
    Refer to Exhibit 2-3. The number of workers who took at least 11 sick days per month is _____.  15
67. The number of sick days taken (per month) by 200 factory workers is summarized below.
    Number of Days
    Frequency
    0−5
    120
    6−10
    65
    11−15
    14
    16−20
    1
    
    Refer to Exhibit 2-3. The cumulative frequency for the class of 11−15 is  199
68. The number of sick days taken (per month) by 200 factory workers is summarized below.
    Number of Days
    Frequency
    0−5
    120
    6−10
    65
    11−15
    14
    16−20
    1
    
    Refer to Exhibit 2-3. The cumulative percent frequency for the class of 16−20 is _____.  100%
69. The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency   Refer to Exhibit 2-1. If a cumulative frequency distribution is developed for the above data, the last class will have a cumulative frequency of _____.  400
70. The probability of the intersection of two mutually exclusive events _____.   must always be equal to 0
71. The probability of the occurrence of event A in an experiment is 1/3. If the experiment is performed two times and event Adid not occur, then on the third trial event A    May occur
72.    The sample variance _____.   could be smaller, equal to, or larger than the true value of the population variance
73. The set of measurements collected for an element is called a(n)   observation
74. The sum of the relative frequencies for all classes will always equal _____.   1
75. The symbol for _____ is r.   population correlation
76. The term _____ is used to refer to the process of capturing, storing, and maintaining data.  data warehousing
77. The term data warehousing is used to refer to the process of doing all of the following, except _____ the data.   Mining
78. The value of the sum of the squared deviations from the mean, i.e., must always be _____  At least zero
79. The variance of a sample of 81 observations is 64. The standard deviation of the sample is which of the following?  8
80. To construct a histogram using Excel’s Chart Tools, choose __________ as the chart type  Column
81. Twenty percent of people at a company picnic got food poisoning. What percent of the people at the picnic did NOT get food poisoning?   80%
82. What is the difference between a bar graph and a histogram?   A histogram displays quantitative data, while a bar graph displays categorical data.
83. What organization developed the report, “Ethical Guidelines for Statistical Practice”  American Statistical Association
84. When the data are labels or names used to identify an attribute of the elements, the variable has which scale of measurement?   Nominal
85. When the data are positively skewed, the mean will usually be _____.  Greater than the median
86. When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement? Interval
87. Which of the following is an example of categorical data?   social security number
88. Which of the following is not a measure of dispersion?   50th percentile
89. Which of the following is NOT an example of an existing source of data?    internal company records, U.S. Census Bureau, the Internet. All of these are examples of existing sources of data.
90. Which of the following is NOT an example of descriptive statistics?   an estimate of the number of Alaska residents who have visited Canada
91. Which of the following values of r indicates the strongest correlation?  -.9
92. Which of the following variables uses the interval scale of measurement?   SAT scores
93. Which of the following variables uses the ratio scale of measurement?   Time
94. Which two scales of measurement can be either numeric or nonnumeric?    nominal and ordinal

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