DAB Exam Chapter3-6 Questions &
Answers 2024/2025
Confirmation - ANSWERSLisa believes that all politicians are corrupt, so she looks for news stories that
reinforce this belief and dismisses any evidence of honest politicians. Indicate which type of bias this
represents.
greater than the median - ANSWERSIf the data is right skewed, the mean is usually
The higher the z-score, the further the data point is from the mean - ANSWERSTrue
Which of the following is not a continuous number? - ANSWERSnumber of students
In a survey of 500 students at Providence College, the average height of the students is calculated. What
is this average considered? - ANSWERSStatistic
cluster sample - ANSWERSRandom sampling only from specified groupings of the population
stratified random sampling - ANSWERSRandom sampling from known subgroups to ensure adequate
representation
simple random sampling - ANSWERSA sampling method in which every observation in the population
has an equal chance of being selected
non-probability (convenience) sampling - ANSWERSMethod of collecting data based from convenient,
easy-to-access data points
Population - ANSWERSYou want to know the average income of all employees at a company. Which of
the following represents the entire group of employees under study?
Answers 2024/2025
Confirmation - ANSWERSLisa believes that all politicians are corrupt, so she looks for news stories that
reinforce this belief and dismisses any evidence of honest politicians. Indicate which type of bias this
represents.
greater than the median - ANSWERSIf the data is right skewed, the mean is usually
The higher the z-score, the further the data point is from the mean - ANSWERSTrue
Which of the following is not a continuous number? - ANSWERSnumber of students
In a survey of 500 students at Providence College, the average height of the students is calculated. What
is this average considered? - ANSWERSStatistic
cluster sample - ANSWERSRandom sampling only from specified groupings of the population
stratified random sampling - ANSWERSRandom sampling from known subgroups to ensure adequate
representation
simple random sampling - ANSWERSA sampling method in which every observation in the population
has an equal chance of being selected
non-probability (convenience) sampling - ANSWERSMethod of collecting data based from convenient,
easy-to-access data points
Population - ANSWERSYou want to know the average income of all employees at a company. Which of
the following represents the entire group of employees under study?
