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Test Bank for Statistics for Business and Economics 14th Edition By James McClave, George Benson, Terry Sincich (All Chapters, 100% Original Verified, A+ Grade)

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Statistics for Business and Economic

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Statistics For Business And Economic

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Institution Statistics for Business and Economic
Course Statistics for Business and Economic

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Chapter 1
Name_______________ ____________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or a nswers the question.
Solve the problem.
1)
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 250 students and carefully
recorded their parking times. Identify the population of interest to the university administration.
1)
A)
a single student that parks at the university
B)
the 250 students that data was collected from
C)
the entire set of students that park at the university
D)
the parking time, defined to be the amount of time the student spent finding a parking spot
2)
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 250 students and carefully
recorded their parking times. The university is interested in using the information from the sample
of 250 students collected to learn information about the entire student parking population. Would
this be an application of descriptive or inferential statistics?
2)
A)
Descriptive statistics
B)
Inferential statistics
3)
A student completing a research project for a criminal justice class obtained a radar gun for
determining automobile speeds and recorded the speeds of automobiles passing a fixed location
over a period of several hours. The student was unaware that the device needed to be recharged
after two hours of use and that the speeds recorded after two hours were not reliable. What type of
problem has occurred?
3)
A)
nonresponse bias
B)
measurement error
C)
selection bias
4)
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 250 students and carefully
recorded their parking times. Identify the experimental unit of interest to the university
administration.
4)
A)
the parking time, defined to be the amount of time the student spent finding a parking spot
B)
a single student that parks at the university
C)
the 250 students that data was collected from
D)
the entire set of students that park at the university
5)
A county planning commission is attempted to survey 1500 households from the counties 400,000
households. A random sample was selected and surveys were mailed to the randomly selected
households, but only 1075 were returned. The inability to collect data from the 425 households that
didn't return the survey would be considered which type of sampling problem?
5)
A)
selection bias
B)
measurement error
C)
nonresponse bias
1Statistics for Business and Economics, 14e James McClave, George Benson, Terry Sincich (Test Bank All Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Chapter 6)
As part of an economics class project, students were asked to randomly select 500 New York Stock
Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to
summarize the current prices (also referred to as the closing price of the stock for a particular
trading date) of the collected stocks using graphical and numerical techniques. Identify the
experimental unit of interest for this study.
6)
A)
a single stock traded on the NYSE
B)
the 500 NYSE stocks that current prices were collected from
C)
the entire set of stocks that are traded on the NYSE
D)
the current price (or closing price) of a NYSE stock
7)
As part of an economics class project, students were asked to randomly select 500 New York Stock
Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to
summarize the current prices (also referred to as the closing price of the stock for a particular
trading date) of the collected stocks using graphical and numerical techniques. Identify the data
collection method used in this study.
7)
A)
data collected observationally
B)
data from a published source
C)
data from a designed experiment
8)
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 250 students and carefully
recorded their parking times. Identify the variable of interest to the university administration.
8)
A)
the parking time, defined to be the amount of time the student spent finding a parking spot
B)
the entire set of students that park at the university
C)
the 250 students that data was collected from
D)
a single student that parks at the university
9)
Does online teaching help or hinder student learning? To help answer this question, a statistics
teacher decided to teach his three sections of a particular class using three different teaching models
- a traditional face
-
to
-
face section, a completely online section, and a hybrid or blended section
that incorporated both a face
-
to
-
face and online component in the section. Students were
randomly assigned to the different sections, taught identical information using the different
teaching formats, and given identical examinations to measure student learning. The goal was to
identify if the teaching method used affected student learning performance. Identify the data
collection method used in this study.
9)
A)
data from a designed experiment
B)
data collected observationally
C)
data from a published source
10)
A study in the state of Georgia was conducted to determine the percentage of all community
college students who have taken at least one online class. 1500 community college students were
contacted and asked if they had taken at least one online class during their time at their community
college. These responses were then used to estimate the percentage of all community college
students who have taken at least one online class. Identify the variable of interest in this study.
10)
A)
all community college students in the state of Georgia
B)
the response (Yes/No) to the question, "Have you taken at least one online class?"
C)
the number of online classes a student has taken
D)
the 1500 community college students contacted
2 11)
A middle school was interested in surveying their students to find out opinions about the schools
media center. To facilitate data collection, the homeroom period was extended 30 minutes to allow
everyone in the school ample time to respond to a short questionnaire. Unfortunately, it was
learned after the surveys had been completed that all honors students in the middle school were on
an all
-
day field trip and away from school for the entire day. The exclusion of their input into the
survey would be considered which type of sampling problem?
11)
A)
measurement error
B)
nonresponse bias
C)
selection bias
12)
Because of the possible legal consequences, many people in a sample of the U.S. population chose
not to participate in a survey regarding illegal drug use. What type of problem has occurred?
12)
A)
selection bias
B)
measurement error
C)
nonresponse bias
13)
As part of an economics class project, students were asked to randomly select 500 New York Stock
Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to
summarize the current prices (also referred to as the closing price of the stock for a particular
trading date) of the collected stocks using graphical and numerical techniques. What type of
variable is being collected?
13)
A)
quantitative data
B)
qualitative data
14)
Which of the following is not the job of a statistician?
14)
A)
determining what information is relevant in a given problem
B)
implementing new procedures based on the results of a study
C)
collecting numerical information in the form of data
D)
determining whether the conclusions drawn from a study are to be trusted
15)
A university was interested in student reaction to a proposal to spend more on athletic scholarships
and less on academic scholarships. 35 student athletes were surveyed. What type of problem has
occurred?
15)
A)
measurement error
B)
selection bias
C)
nonresponse bias
16)
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 250 students and carefully
recorded their parking times. Identify the data collection method used by the administration in this
study.
16)
A)
data collected observationally
B)
data from a published source
C)
data from a designed experiment
17)
As part of an economics class project, students were asked to randomly select 500 New York Stock
Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to
summarize the current prices (also referred to as the closing price of the stock for a particular
trading date) of the collected stocks using graphical and numerical techniques. Would this be an
application of descriptive or inferential statistics?
17)
A)
Descriptive statistics
B)
Inferential statistics
3 18)
A study in the state of Georgia was conducted to determine the percentage of all community
college students who have taken at least one online class. 1500 community college students were
contacted and asked if they had taken at least one online class during their time at their community
college. These responses were then used to estimate the percentage of all community college
students who have taken at least one online class. Identify the population of interest in this study.
18)
A)
the 1500 community college students contacted
B)
the response (Yes/No) to the question, "Have you taken at least one online class?"
C)
all community college students in the state of Georgia
D)
the number of online classes a student has taken
19)
A student worked on her statistics project in the library and found a reference book that contained
the median family incomes for all 50 states. On her project, she would report her data as being
collected __________.
19)
A)
from a published source
B)
from a designed experiment
C)
from a survey
D)
observationally
20)
A researcher studying malnutrition among children in a developing country collected weights of a
random sample of children using a scale that she had set to give weights 2.5 kilograms less than the
actual weight. Which statement best describes this situation?
20)
A)
Measurement error has not occurred, and the researcher is not guilty of unethical statistical
practice.
B)
Measurement error has occurred, and the researcher is guilty of unethical statistical practice.
C)
Measurement error has not occurred, but the researcher is guilty of unethical statistical
practice.
D)
Measurement error has occurred, but the researcher is not guilty of unethical statistical
practice.
21)
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 250 students and carefully
recorded their parking times. What type of variable is the administration interested in collecting?
21)
A)
qualitative data
B)
quantitative data
22)
Which data about paintings would not be qualitative?
22)
A)
the value
B)
the theme
C)
the style
D)
the artist
23)
As part of an economics class project, students were asked to randomly select 500 New Your Stock
Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to
summarize the current prices (also referred to as the closing price of the stock for a particular
trading date) of the collected stocks using graphical and numerical techniques. Identify the variable
of interest for this study.
23)
A)
a single stock traded on the NYSE
B)
the entire set of stocks that are traded on the NYSE
C)
the current price (or closing price) of a NYSE stock
D)
the 500 NYSE stocks that current prices were collected from
4

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Exam (elaborations)

Test Bank for Statistics for Business and Economics 14th Edition By James McClave, George Benson, Terry Sincich (All Chapters, 100% Original Verified, A+ Grade)

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