QMET 251 Exam 1 Questions – Study Guide, Practice Questions & Quantitative
Methods Review
The portion of the population that is selected for analysis is called - correct answer ✔✔a sample
A summary measure that is computed from only a sample of the population is called - correct
answer ✔✔a statistic
The height of an individual is an example of a - correct answer ✔✔continuous variable
The body style of an automobile (sedan, minivan, SUV, and so on) is an example of a - correct
answer ✔✔categorical variable
The number of credit cards in a person's wallet is an example of a - correct answer ✔✔discrete
variable
Statistical inference occurs when you - correct answer ✔✔take the results of a sample and
reach conclusions about a population
The Human Resources director of a large corporation wants to develop a dental benefits
package and decides to select 100 employees from a list of all 5,000 workers in order to study
their preferences for the various components of a potential package. All the employees in the
corporation constitute the ______. - correct answer ✔✔population
The Human Resources director of a large corporation wants to develop a dental benefits
package and decides to select 100 employees from a list of all 5,000 workers in order to study
their preferences for the various components of a potential package. The 100 employees who
will participate in this study constitute the ______. - correct answer ✔✔sample
, Those methods that involve collecting, presenting, and computing characteristics of a set data in
order to properly describe the various features of the data are called: - correct answer
✔✔descriptive statistics
Based on the results of a poll of 500 registered voters, the conclusion that the Democratic
candidate for U.S. president will win the upcoming election is an example of: - correct answer
✔✔inferential statistics
A numerical measure that is computed to describe a characteristic of an entire population is
called: - correct answer ✔✔a parameter
You were working on a project to examine the value of the American dollar as compared to the
English pound. You accessed an Internet site where you obtained this information for the past
50 years. Which method of data collection were you using? - correct answer ✔✔published
sources
The number of teachers employed at your local elementary school is an example of a
_________ variable. - correct answer ✔✔discrete
The temperature at which a hamburger is cooked at a brunch of a fast-food chain is an example
of a _____ variable. - correct answer ✔✔continuous
The number of cell phones in a household is an example of: - correct answer ✔✔a discrete
variable
T/F: The possible responses to the question, "How long have you been living at your current
residence?" are values from a continuous variable. - correct answer ✔✔true
T/F: The possible responses to the question, "How many times in the past seven days have you
streamed a movie or TV show online?" are values from a discrete variable. - correct answer
✔✔true
Methods Review
The portion of the population that is selected for analysis is called - correct answer ✔✔a sample
A summary measure that is computed from only a sample of the population is called - correct
answer ✔✔a statistic
The height of an individual is an example of a - correct answer ✔✔continuous variable
The body style of an automobile (sedan, minivan, SUV, and so on) is an example of a - correct
answer ✔✔categorical variable
The number of credit cards in a person's wallet is an example of a - correct answer ✔✔discrete
variable
Statistical inference occurs when you - correct answer ✔✔take the results of a sample and
reach conclusions about a population
The Human Resources director of a large corporation wants to develop a dental benefits
package and decides to select 100 employees from a list of all 5,000 workers in order to study
their preferences for the various components of a potential package. All the employees in the
corporation constitute the ______. - correct answer ✔✔population
The Human Resources director of a large corporation wants to develop a dental benefits
package and decides to select 100 employees from a list of all 5,000 workers in order to study
their preferences for the various components of a potential package. The 100 employees who
will participate in this study constitute the ______. - correct answer ✔✔sample
, Those methods that involve collecting, presenting, and computing characteristics of a set data in
order to properly describe the various features of the data are called: - correct answer
✔✔descriptive statistics
Based on the results of a poll of 500 registered voters, the conclusion that the Democratic
candidate for U.S. president will win the upcoming election is an example of: - correct answer
✔✔inferential statistics
A numerical measure that is computed to describe a characteristic of an entire population is
called: - correct answer ✔✔a parameter
You were working on a project to examine the value of the American dollar as compared to the
English pound. You accessed an Internet site where you obtained this information for the past
50 years. Which method of data collection were you using? - correct answer ✔✔published
sources
The number of teachers employed at your local elementary school is an example of a
_________ variable. - correct answer ✔✔discrete
The temperature at which a hamburger is cooked at a brunch of a fast-food chain is an example
of a _____ variable. - correct answer ✔✔continuous
The number of cell phones in a household is an example of: - correct answer ✔✔a discrete
variable
T/F: The possible responses to the question, "How long have you been living at your current
residence?" are values from a continuous variable. - correct answer ✔✔true
T/F: The possible responses to the question, "How many times in the past seven days have you
streamed a movie or TV show online?" are values from a discrete variable. - correct answer
✔✔true
