Statistics - 1.1 Introduction to the
Practice of Statistics Exam Questions
and Answers Verified Solutions Latest
Update (2026/2027)
Question:
Population
Answer:
The entire group of individuals to be studied is called the population. An
individual is a person or object that is a member of the population being
studied.
Question:
A polling organization contacts 1294 teenagers who are 16 to 19 years of
age and live in North America
and asks whether or not they had driven a car on a highway recently.
What is the population in the study?
Answer:
Teenagers who are 16 to 19 years of age and live
in North America.
Question:
A polling organization contacts 1294 teenagers who are 16 to 19 years of
age and live in North America
,and asks whether or not they had driven a car on a highway recently.
What is the sample in the study?
Answer:
The 1294 teenagers who are 16 to 19 years of age
and live in North America.
Question:
A quality-control manager randomly selects 60 bottles of soda that were
filled on June 14 to assess the
calibration of the filling machine.
What is the population in the study?
Answer:
Bottles of soda produced in the plant on June 14.
Question:
A quality-control manager randomly selects 60 bottles of soda that were
filled on June 14 to assess the
calibration of the filling machine.
What is the sample in the study?
Answer:
The 60 bottles of soda selected in the plant on June
14.
Question:
Descriptive
, Answer:
Descriptive statistics consists of organizing and summarizing information
collected.
Question:
Inferential
Answer:
Inferential statistics uses methods that generalize results obtained from a
sample to the population and measure the reliability of the results.
Question:
Statistic
Answer:
Is a numerical summary of a sample, which is a subset of the population that
is
being studied.
Question:
Statistics is the science of collecting, organizing, summarizing, and
analyzing information to draw a
conclusion and answer questions. In addition, statistics is about providing a
measure of confidence in
any conclusions.
Parameter
Answer:
Practice of Statistics Exam Questions
and Answers Verified Solutions Latest
Update (2026/2027)
Question:
Population
Answer:
The entire group of individuals to be studied is called the population. An
individual is a person or object that is a member of the population being
studied.
Question:
A polling organization contacts 1294 teenagers who are 16 to 19 years of
age and live in North America
and asks whether or not they had driven a car on a highway recently.
What is the population in the study?
Answer:
Teenagers who are 16 to 19 years of age and live
in North America.
Question:
A polling organization contacts 1294 teenagers who are 16 to 19 years of
age and live in North America
,and asks whether or not they had driven a car on a highway recently.
What is the sample in the study?
Answer:
The 1294 teenagers who are 16 to 19 years of age
and live in North America.
Question:
A quality-control manager randomly selects 60 bottles of soda that were
filled on June 14 to assess the
calibration of the filling machine.
What is the population in the study?
Answer:
Bottles of soda produced in the plant on June 14.
Question:
A quality-control manager randomly selects 60 bottles of soda that were
filled on June 14 to assess the
calibration of the filling machine.
What is the sample in the study?
Answer:
The 60 bottles of soda selected in the plant on June
14.
Question:
Descriptive
, Answer:
Descriptive statistics consists of organizing and summarizing information
collected.
Question:
Inferential
Answer:
Inferential statistics uses methods that generalize results obtained from a
sample to the population and measure the reliability of the results.
Question:
Statistic
Answer:
Is a numerical summary of a sample, which is a subset of the population that
is
being studied.
Question:
Statistics is the science of collecting, organizing, summarizing, and
analyzing information to draw a
conclusion and answer questions. In addition, statistics is about providing a
measure of confidence in
any conclusions.
Parameter
Answer:
