[01] Module 1 Quiz - Results
Attempt 1 of 2
Written Sep 25, 2025 10:36 PM - Sep 26, 2025 12:30 AM
Your quiz has been submitted successfully.
Attempt Score 90 /100 - 90 %
Overall Grade (Highest Attempt) 90 /100 - 90 %
Question 1 5/ 5 points
In a survey of 1000 teenagers, 23% of them said they use tobacco products. Is this an example of statistic
or a parameter?
@ Statistic
(O Parameter
Question 2 5/ 5 points
The names of all 137 students in a professor's class are written on identical slips of paper, and the slips are
placed into a large glass jar. Then, the professor selects 12 random slips from the jar. Identify the kind of
sample that is being used.
O cluster sample
@ simple random sample
O systematic sample
(O sample of convenience
Question 3 5/ 5 points
Which one of the following data are discrete?
O the latitude and longitude of the boat's port of departure
@ the number of crew members on the boat
(O the speed of the boat's propeller, in revolutions per minute
O the latitude and longitude of a boat at sea
, Question 4 5/ 5 points
In an experiment, subjects are put into two categories according to sex, and then each subject is randomly
assigned a treatment . This is an example of...
(O observational studies
O confounding
@ randomized blocking
O gender bias
Question 5 5/ 5 points
By visiting homes door-to-door, a municipality surveys all the households in 149 randomly-selected
neighborhoods to see how residents feel about a proposed property tax increase. Identify the type of
sample that is being used.
O systematic sample
@ cluster sample
O stratified sample
O voluntary response sample
Question 6 5/ 5 points
Choose the answer below that best completes the following statement.
____________ is a number that describes a sample.
@ statistic
O parameter
(O measurement
O population
Question 7 5/ 5 points
You ask your friends who they plan to vote for in the next congressional election. Based on their responses,
you conclude that the candidate you favor cannot lose!
This is most likely an example of ...
O voluntary response bias
O self-interest bias
O randomized sampling
@ sampling bias
Attempt 1 of 2
Written Sep 25, 2025 10:36 PM - Sep 26, 2025 12:30 AM
Your quiz has been submitted successfully.
Attempt Score 90 /100 - 90 %
Overall Grade (Highest Attempt) 90 /100 - 90 %
Question 1 5/ 5 points
In a survey of 1000 teenagers, 23% of them said they use tobacco products. Is this an example of statistic
or a parameter?
@ Statistic
(O Parameter
Question 2 5/ 5 points
The names of all 137 students in a professor's class are written on identical slips of paper, and the slips are
placed into a large glass jar. Then, the professor selects 12 random slips from the jar. Identify the kind of
sample that is being used.
O cluster sample
@ simple random sample
O systematic sample
(O sample of convenience
Question 3 5/ 5 points
Which one of the following data are discrete?
O the latitude and longitude of the boat's port of departure
@ the number of crew members on the boat
(O the speed of the boat's propeller, in revolutions per minute
O the latitude and longitude of a boat at sea
, Question 4 5/ 5 points
In an experiment, subjects are put into two categories according to sex, and then each subject is randomly
assigned a treatment . This is an example of...
(O observational studies
O confounding
@ randomized blocking
O gender bias
Question 5 5/ 5 points
By visiting homes door-to-door, a municipality surveys all the households in 149 randomly-selected
neighborhoods to see how residents feel about a proposed property tax increase. Identify the type of
sample that is being used.
O systematic sample
@ cluster sample
O stratified sample
O voluntary response sample
Question 6 5/ 5 points
Choose the answer below that best completes the following statement.
____________ is a number that describes a sample.
@ statistic
O parameter
(O measurement
O population
Question 7 5/ 5 points
You ask your friends who they plan to vote for in the next congressional election. Based on their responses,
you conclude that the candidate you favor cannot lose!
This is most likely an example of ...
O voluntary response bias
O self-interest bias
O randomized sampling
@ sampling bias
