engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
CHAPTER 1: INTRODUCTION TO BUSINESS ANALYTICS
DESCRIPTIVE, PREDICTIVE, PRESCRIPTIVE CÁC THỨ
1) Descriptive analytics: B) helps companies classify their customers into segments to
develop specific marketing campaigns.
2) A manager at Gampco Inc. wishes to know the company's revenue and profit in its
previous quarter. C) descriptive analytics
3) Predictive analytics: D) detects patterns in historical data and extrapolates them
forward in time.
4) A trader who wants to predict short-term movements in stock prices is likely to use
A) predictive
5) Which of the following questions will prescriptive analytics help a company address?
B) What is the best way of shipping goods from their factories to minimize costs?
18) Descriptive decision models:B) describe relationships but do not tell a manager what
to do
23) When will a company use a predictive decision model? C) when it wishes to know
sales patterns to plan inventory levels
25) Which decision model incorporates the uncertainty element? A) predictive
28) Prescriptive decision models help: C) decision makers identify the best solution to
decision problems.
30) Which decision model incorporates the process of optimization? prescriptive
30) Prescriptive analytics: C) uses data to determine a course of action to be executed in
a given situation.
11. Which one of the following is used in predictive analytics? Linear regression
20. Advanced analytics generally refers to . predictive and prescriptive analytics
, 21. In the financial sector, are used to construct financial instruments such as
derivatives. b. predictive models
27. analytics are techniques that use models, constructed from past data, to predict
the future or to ascertain the impact of one variable on another. a. Predictive
30. analytics use techniques that take input data and yield a best course of action.
a. Prescriptive
31. In the spectrum of business analytics, which is the most complex? Prescriptive
32. In order to manage an organization’s human resource activities, such as hiring
employees, tracking, and influencing employee retention, HR personnel use . a.
descriptive and predictive analytics.
34. A light bulb manufacturer uses descriptive analytics . a. to present supply chain
to managers visually.
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
2) A forecast that helps direct police officers to areas where crimes are likely to occur
based on past data is an example of . a. predictive analytics
14. Which of the following analytical techniques helps us arrive at the best decision? c.
Prescriptive analytics
PHÂN LOẠI BIẾN
8) Which of the following is an example of a measure of continuous metrics? C) weight
and volume of a sheet of steel
9) Nominal data:D) are sorted into categories according to specified characteristics.
10) Which of the following is a disadvantage of ordinal data? B) They have no fixed units
of measurement.
11) Which of the following allows meaningful comparison of ranges, averages and other
statistics? A) interval data
13) When data are classified by the type of measurement scale, which is the strongest
form of measurement? D) ratio
15) Decision variables: D) can be selected at the discretion of the decision maker.
35. The U.S. Internal Revenue Service uses to identify patterns that distinguish
, questionable annual personal income tax filings. → Data mining
1. Which of the following is a discrete quantitative (numerical) variable?
→ The number of employees of an insurance company
2. Which of the following is a continuous quantitative (numerical) variable? c) The
amount of milk in a 2-liter carton.
3. To monitor campus security, the campus police office is taking a survey of the number
of students in a parking lot each 30 minutes of a 24-hour period with the goal of
determining when patrols of the lot would serve the most students. If X is the number of
students in the lot each period of time, then X is an example of
a. discrete variable
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
4. Researchers are concerned that the weight of the average American school child is
increasing implying, among other things, that children’s clothing should be manufactured
and marketed in larger sizes. If X is the weight of school children sampled in a nationwide
study, then X is an example of. → c) a continuous variable.
5. The classification of student class designation (freshman, sophomore, junior, senior)
is an example of → a) a categorical variable.
6. The classification of student major (accounting, economics, management, marketing,
other) is an example of → a) a categorical variable.
7. The chancellor of a major university was concerned about alcohol abuse on her
campus and wanted to find out the proportion of students at her university who visited
campus bars on the weekend before the final exam week. Her assistant took a random
sample of 250 students. The answer on “whether you visited campus bars on the
weekend before the final exam week” from students in the sample is an example of
. a) a categorical variable.
SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company
is interested in determining whether the customers who have purchased a Blu-ray player
made by the company over the past 12 months are satisfied with their products.
8. Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray
players made by other manufacturers have you used?" are values from a: → a) discrete
variable.
, 9. Referring to Scenario 1-1, the possible responses to the question "Are you happy,
indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?" are
values from a: → c) categorical variable.
10. Referring to Scenario 1-1, the possible responses to the question "What is your annual
income rounded to the nearest thousands?" are values from a: → a) discrete numerical
variable.
11. Referring to Scenario 1-1, the possible responses to the question "How much time do
you use the Blu-ray player every week on the average?" are values from a: → b)
continuous numerical variable.
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
12. Referring to Scenario 1-1, the possible responses to the question "How many people
are there in your household?" are values from a: a) discrete numerical variable.
13.
14. Referring to Scenario 1-1, the possible responses to the question "How would you rate
the quality of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 =
poor, 5 = terrible?" are values from a: c) categorical variable.
15. Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-
ray player did you purchase?" are values from a: c) categorical variable.
16. Referring to Scenario 1-1, the possible responses to the question "Out of a 100 point
score with 100 being the highest and 0 being the lowest, what is your satisfaction level
on the videocassette recorder that you purchased?" are values from a: a) discrete
numerical variable.
17. Referring to Scenario 1-1, the possible responses to the question "In which year were
you born?" are values from a: a) discrete numerical variable.
18. Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray
players made by other manufacturers have you used?" result in: d) a ratio scale variable.
19. Referring to Scenario 1-1, the possible responses to the question "Are you happy,
indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?"
result in: b) an ordinal scale variable.
20. Referring to Scenario 1-1, the possible responses to the question "What is your annual
income rounded to the nearest thousands?" result in: d) a ratio scale variable.
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
CHAPTER 1: INTRODUCTION TO BUSINESS ANALYTICS
DESCRIPTIVE, PREDICTIVE, PRESCRIPTIVE CÁC THỨ
1) Descriptive analytics: B) helps companies classify their customers into segments to
develop specific marketing campaigns.
2) A manager at Gampco Inc. wishes to know the company's revenue and profit in its
previous quarter. C) descriptive analytics
3) Predictive analytics: D) detects patterns in historical data and extrapolates them
forward in time.
4) A trader who wants to predict short-term movements in stock prices is likely to use
A) predictive
5) Which of the following questions will prescriptive analytics help a company address?
B) What is the best way of shipping goods from their factories to minimize costs?
18) Descriptive decision models:B) describe relationships but do not tell a manager what
to do
23) When will a company use a predictive decision model? C) when it wishes to know
sales patterns to plan inventory levels
25) Which decision model incorporates the uncertainty element? A) predictive
28) Prescriptive decision models help: C) decision makers identify the best solution to
decision problems.
30) Which decision model incorporates the process of optimization? prescriptive
30) Prescriptive analytics: C) uses data to determine a course of action to be executed in
a given situation.
11. Which one of the following is used in predictive analytics? Linear regression
20. Advanced analytics generally refers to . predictive and prescriptive analytics
, 21. In the financial sector, are used to construct financial instruments such as
derivatives. b. predictive models
27. analytics are techniques that use models, constructed from past data, to predict
the future or to ascertain the impact of one variable on another. a. Predictive
30. analytics use techniques that take input data and yield a best course of action.
a. Prescriptive
31. In the spectrum of business analytics, which is the most complex? Prescriptive
32. In order to manage an organization’s human resource activities, such as hiring
employees, tracking, and influencing employee retention, HR personnel use . a.
descriptive and predictive analytics.
34. A light bulb manufacturer uses descriptive analytics . a. to present supply chain
to managers visually.
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
2) A forecast that helps direct police officers to areas where crimes are likely to occur
based on past data is an example of . a. predictive analytics
14. Which of the following analytical techniques helps us arrive at the best decision? c.
Prescriptive analytics
PHÂN LOẠI BIẾN
8) Which of the following is an example of a measure of continuous metrics? C) weight
and volume of a sheet of steel
9) Nominal data:D) are sorted into categories according to specified characteristics.
10) Which of the following is a disadvantage of ordinal data? B) They have no fixed units
of measurement.
11) Which of the following allows meaningful comparison of ranges, averages and other
statistics? A) interval data
13) When data are classified by the type of measurement scale, which is the strongest
form of measurement? D) ratio
15) Decision variables: D) can be selected at the discretion of the decision maker.
35. The U.S. Internal Revenue Service uses to identify patterns that distinguish
, questionable annual personal income tax filings. → Data mining
1. Which of the following is a discrete quantitative (numerical) variable?
→ The number of employees of an insurance company
2. Which of the following is a continuous quantitative (numerical) variable? c) The
amount of milk in a 2-liter carton.
3. To monitor campus security, the campus police office is taking a survey of the number
of students in a parking lot each 30 minutes of a 24-hour period with the goal of
determining when patrols of the lot would serve the most students. If X is the number of
students in the lot each period of time, then X is an example of
a. discrete variable
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
4. Researchers are concerned that the weight of the average American school child is
increasing implying, among other things, that children’s clothing should be manufactured
and marketed in larger sizes. If X is the weight of school children sampled in a nationwide
study, then X is an example of. → c) a continuous variable.
5. The classification of student class designation (freshman, sophomore, junior, senior)
is an example of → a) a categorical variable.
6. The classification of student major (accounting, economics, management, marketing,
other) is an example of → a) a categorical variable.
7. The chancellor of a major university was concerned about alcohol abuse on her
campus and wanted to find out the proportion of students at her university who visited
campus bars on the weekend before the final exam week. Her assistant took a random
sample of 250 students. The answer on “whether you visited campus bars on the
weekend before the final exam week” from students in the sample is an example of
. a) a categorical variable.
SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company
is interested in determining whether the customers who have purchased a Blu-ray player
made by the company over the past 12 months are satisfied with their products.
8. Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray
players made by other manufacturers have you used?" are values from a: → a) discrete
variable.
, 9. Referring to Scenario 1-1, the possible responses to the question "Are you happy,
indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?" are
values from a: → c) categorical variable.
10. Referring to Scenario 1-1, the possible responses to the question "What is your annual
income rounded to the nearest thousands?" are values from a: → a) discrete numerical
variable.
11. Referring to Scenario 1-1, the possible responses to the question "How much time do
you use the Blu-ray player every week on the average?" are values from a: → b)
continuous numerical variable.
engineering vary widely by country. In some places, genetic modification of embryos is banned,
while in others, it is allowed under specific conditions. The legal frameworks in place are often
reactive, as the pace of biotechnological advancements often outpaces the development of
appropriate legal standards.#### 10.2 **Stem Cell Research**Stem cell research, particularly
the use of embryonic stem cells, has been a controversial ethical issue for many years. The
potential for stem cells to treat or cure a variety of diseases raises significant hope in the medical
community. However, the ethical issue arises from the use of human embryos in research, as
some argue that it is morally wrong to destroy embryos for the purpose of scientific
experimentation.Legally, stem cell research is subject to varying levels of regulation. In
12. Referring to Scenario 1-1, the possible responses to the question "How many people
are there in your household?" are values from a: a) discrete numerical variable.
13.
14. Referring to Scenario 1-1, the possible responses to the question "How would you rate
the quality of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 =
poor, 5 = terrible?" are values from a: c) categorical variable.
15. Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-
ray player did you purchase?" are values from a: c) categorical variable.
16. Referring to Scenario 1-1, the possible responses to the question "Out of a 100 point
score with 100 being the highest and 0 being the lowest, what is your satisfaction level
on the videocassette recorder that you purchased?" are values from a: a) discrete
numerical variable.
17. Referring to Scenario 1-1, the possible responses to the question "In which year were
you born?" are values from a: a) discrete numerical variable.
18. Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray
players made by other manufacturers have you used?" result in: d) a ratio scale variable.
19. Referring to Scenario 1-1, the possible responses to the question "Are you happy,
indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?"
result in: b) an ordinal scale variable.
20. Referring to Scenario 1-1, the possible responses to the question "What is your annual
income rounded to the nearest thousands?" result in: d) a ratio scale variable.
