Test Bank Statistics: Informed Decisions Using Data, 7th Edition by Sullivan
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Introduction to Statistics
Instelling
Introduction To Statistics
Complete Test Bank for Statistics: Informed Decisions Using Data, 7e 7th edition by Michael Sullivan. All chapters (Chap 1 to 15)are included with complete answers. Best guide and latest edition.
Data Collection
Organizing and Summarizing Data
Numerically Summarizing Data
Describing the Relat...
Sullivan Statistics: Informed Decisions Using Data 7e Answers Included ✅
Chapter 1 Test
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) What is statistics?
Objective: (1.1) Define statistics and statistical thinking.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) Which of the following is not true of statistics?
A) Statistics is about providing a measure of confidence in any conclusions
B) Statistics can be used to organize and analyze information.
C) Statistics is used to answer questions with 100% certainty.
D) Statistics involves collecting and summarizing data.
Objective: (1.1) Define statistics and statistical thinking.
Determine whether the underlined value is a parameter or a statistic.
3) In a survey conducted in the town of Atherton, 21% of adult respondents reported that they had been involved in
at least one car accident in the past ten years.
A) parameter B) statistic
Objective: (1.1) Explain the process of statistics.
4) 28.2% of the mayors of cities in an entire certain state are from minority groups.
A) parameter B) statistic
Objective: (1.1) Explain the process of statistics.
5) A study of 900 college students in the city of Pemblington found that 11% had been victims of violent crimes.
A) parameter B) statistic
Objective: (1.1) Explain the process of statistics.
6) 51.3% of all the residents of Idlington Garden City are female.
A) statistic B) parameter
Objective: (1.1) Explain the process of statistics.
7) Telephone interviews of 223 employees of a large electronics company found that 75% were dissatisfied with their
working conditions.
A) statistic B) parameter
Objective: (1.1) Explain the process of statistics.
8) The average age of the 65 students in Ms. Hope's political science class is 21 years 10 months.
A) parameter B) statistic
Objective: (1.1) Explain the process of statistics.
9) Mark retired from competitive athletics last year. In his whole career as a sprinter he had competed in the
100-meters event a total of 328 times. His average time for these 328 races was 10.28 seconds.
A) statistic B) parameter
Objective: (1.1) Explain the process of statistics.
1
,SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
10) A survey of 1,011 American households found that 33% of the households own a DVD recorder. Identify the
population, the sample, and the individuals in the study.
Objective: (1.1) Explain the process of statistics.
11) A survey of 1,317 American households found that 67% of the households own at least two bicycles. Identify the
population, the sample, and the individuals in the study.
Objective: (1.1) Explain the process of statistics.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
12) Parking at a large university has become a very big problem. University administrators are interested in
determining the average parking time (e.g. the time it takes a student to find a parking spot) of its students. An
administrator inconspicuously followed 110 students and carefully recorded their parking times. Identify the
population of interest to the university administration.
A) the 110 students from whom the data were collected
B) the students that park at the university between 9 and 10 AM on Wednesdays
C) the entire set of faculty, staff, and students that park at the university
D) the entire set of students that park at the university
Objective: (1.1) Explain the process of statistics.
13) A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily if less than 0.03% of
the phones produced per day are defective. To check the quality of a day's production, the company decides to
randomly sample 60 phones from a day's production to test for defects. Define the population of interest to the
manufacturer.
A) the 60 responses: defective or not defective
B) all the phones produced during the day in question
C) the 0.03% of the phones that are defective
D) the 60 phones sampled and tested
Objective: (1.1) Explain the process of statistics.
14) A recent study attempted to estimate the proportion of Florida residents who were willing to spend more tax
dollars on protecting the Florida beaches from environmental disasters. Thirty-eight hundred Florida residents
were surveyed. Which of the following is the population used in the study?
A) all Florida residents who lived along the beaches
B) the 3,800 Florida residents surveyed
C) the Florida residents who were willing to spend more tax dollars on protecting the beaches from
environmental disasters
D) all Florida residents
Objective: (1.1) Explain the process of statistics.
15) Parking at a large university has become a very big problem. University administrators are interested in
determining the average parking time (e.g. the time it takes a student to find a parking spot) of its students. An
administrator inconspicuously followed 200 students and carefully recorded their parking times. Identify the
sample of interest to the university administration.
A) parking times of the 200 students B) location of the parking spot
C) parking time of a student D) type of car (import or domestic)
Objective: (1.1) Explain the process of statistics.
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, 16) The legal profession conducted a study to determine the percentage of cardiologists who had been sued for
malpractice in the last eight years. The sample was randomly chosen from a national directory of doctors. Identify
the individuals in the study.
A) all cardiologists in the directory
B) the doctor's area of expertise (i.e., cardiology, pediatrics, etc.)
C) each cardiologist selected from the directory
D) the responses: have been sued/have not been sued for malpractice in the last eight years
Objective: (1.1) Explain the process of statistics.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
17) Administrators at a large university want to know the average debt incurred by their graduates. Surveys were
mailed to 300 graduating seniors asking them to report their total student loan debt. Identify the population,
sample, and individuals in the study.
Objective: (1.1) Explain the process of statistics.
18) A study was conducted to determine if listening to heavy metal music affects critical thinking. To test the claim,
112 subjects were randomly assigned to two groups. Both groups were administered a basic math skills exam. The
first group took the exam while heavy metal music was piped into the exam room, while the second group took
the exam in a silent room. The mean exam score for the first group was 79, and the mean exam score for the second
group was 87. The researchers concluded that heavy metal music negatively affects critical thinking. Identify (a)
the research objective, (b) the sample, (c) the descriptive statistics, and (d) the conclusions made in the study.
Objective: (1.1) Explain the process of statistics.
19) A telephone poll asked 1,386 registered voters "Would you vote for the current vice president if he ran for
president?" Of these 1,386 respondents, 36% would vote for the current vice president if he ran for president. The
administrators of the study concluded that 36% of all registered voters would vote for the current vice president if
he ran for president. Identify (a) the research objective, (b) the sample, (c) the descriptive statistics, and (d) the
conclusions made in the study.
Objective: (1.1) Explain the process of statistics.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
20) Which branch of statistics deals with the organization and summarization of collected information?
A) Survey design B) Descriptive statistics
C) Inferential statistics D) Computational statistics
Objective: (1.1) Explain the process of statistics.
Classify the variable as qualitative or quantitative.
21) the colors of book covers on a bookshelf
A) qualitative B) quantitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
22) the number of calls received at a company's help desk
A) quantitative B) qualitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
23) the number of seats in a school auditorium
A) qualitative B) quantitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
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, 24) the numbers on the shirts of a football team
A) qualitative B) quantitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
25) the bank account numbers of the students in a class
A) quantitative B) qualitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
26) the weights of cases loaded onto an airport conveyor belt
A) qualitative B) quantitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
27) the temperatures of cups of coffee served at a restaurant
A) quantitative B) qualitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
28) the native languages of students in an English class
A) quantitative B) qualitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
Solve the problem.
29) A bicycle manufacturer produces four different bicycle models. Information is summarized in the table below:
Model Series Number Weight Style
Ascension A120 33 Mountain
Road Runner B640 21 Road
All Terrain C300 29 Hybrid
Class Above D90 16 Racing
Identify the variables and determine whether each variable is quantitative or qualitative.
A) series number: qualitative; weight: qualitative; style: qualitative
B) series number: qualitative; weight: quantitative; style: qualitative
C) series number: quantitative; weight: quantitative; style: qualitative
D) series number: quantitative; weight: qualitative; style: qualitative
Objective: (1.1) Distinguish between qualitative and quantitative variables.
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