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Data Literacy D772 WGU Questions with
Detailed Verified Answers
Sample
Ans: A smaller, more manageable group selected from the population to represent the
larger group.
Sample (Example)
Ans: A group of 500 high school students from different states across the U.S.
Population
Ans: The entire group of individuals or objects that you want to study.
Population (Example)
Ans: All high school students in the United States.
What is a parameter in statistics?
Ans: A numerical value describing an entire population's characteristics.
Is a parameter a fixed value?
Ans: Yes, a parameter is a fixed value.
Why is a parameter often unknown?
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Ans: Because collecting data from every member of a large population is usually
impractical or impossible.
What is a statistic?
Ans: A numerical value that describes a characteristic of a sample.
How is a statistic calculated?
Ans: It is calculated from the data collected from the sample.
What is the purpose of using statistics?
Ans: To estimate the corresponding population parameter.
Statistic (Example)
Ans: The average height of 100 adult women randomly selected from the United
States.
Parameter (Example)
Ans: The average height of all adult women in the United States.
Basic elements that make up a dataset
Ans: individuals, variables, and data.
Individuals
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Ans: are the objects described by a set of data. people, animals, or things. What we
collect information on.
Variables
Ans: are the characteristics or measurements that we are interested in studying.
Specific aspects of the individuals that we collect data on. Can be either quantitative
(numerical) or categorical (qualitative-Fav color, gender, job).
Data
Ans: are the actual values of the variables
The ____ is the 100 first-year students who were randomly surveyed.
The ____ is a group of students who graduated from the university last year, randomly
selected
Ans: Sample
The ____ is all first-year students attending Strime University this term.
The ____ is a group of all students who graduated from the university last year.
Ans: Population
The ____ is the average (mean) amount of money spent (excluding books) by first-
year university students in the sample.
The ____ is the average cumulative GPA of students in the study who graduated from
the university last year.
Ans: Statistic
© Get it right 2025 Getaway - Stuvia US All rights reserved
Data Literacy D772 WGU Questions with
Detailed Verified Answers
Sample
Ans: A smaller, more manageable group selected from the population to represent the
larger group.
Sample (Example)
Ans: A group of 500 high school students from different states across the U.S.
Population
Ans: The entire group of individuals or objects that you want to study.
Population (Example)
Ans: All high school students in the United States.
What is a parameter in statistics?
Ans: A numerical value describing an entire population's characteristics.
Is a parameter a fixed value?
Ans: Yes, a parameter is a fixed value.
Why is a parameter often unknown?
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,Click here for more: Scholars nexus
Ans: Because collecting data from every member of a large population is usually
impractical or impossible.
What is a statistic?
Ans: A numerical value that describes a characteristic of a sample.
How is a statistic calculated?
Ans: It is calculated from the data collected from the sample.
What is the purpose of using statistics?
Ans: To estimate the corresponding population parameter.
Statistic (Example)
Ans: The average height of 100 adult women randomly selected from the United
States.
Parameter (Example)
Ans: The average height of all adult women in the United States.
Basic elements that make up a dataset
Ans: individuals, variables, and data.
Individuals
© Get it right 2025 Getaway - Stuvia US All rights reserved
, Click here for more: Scholars nexus
Ans: are the objects described by a set of data. people, animals, or things. What we
collect information on.
Variables
Ans: are the characteristics or measurements that we are interested in studying.
Specific aspects of the individuals that we collect data on. Can be either quantitative
(numerical) or categorical (qualitative-Fav color, gender, job).
Data
Ans: are the actual values of the variables
The ____ is the 100 first-year students who were randomly surveyed.
The ____ is a group of students who graduated from the university last year, randomly
selected
Ans: Sample
The ____ is all first-year students attending Strime University this term.
The ____ is a group of all students who graduated from the university last year.
Ans: Population
The ____ is the average (mean) amount of money spent (excluding books) by first-
year university students in the sample.
The ____ is the average cumulative GPA of students in the study who graduated from
the university last year.
Ans: Statistic
© Get it right 2025 Getaway - Stuvia US All rights reserved
