Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
A survey is conducted on the use of Facebook of adults in the United States,
where 12,000 adults are surveyed and 9,450 adults answered that they did use Facebook.
What
is the Sample?
a. | The 9,450 adults that said yes | b. | The 12,000 adults surveyed | c. | The adults in the
United States | d. | The adults throughout the world |
|
|
|
2.
|
Identify the following data
set:
…. every single Y-Phone’s maximum volume is
measured before being packaged at a manufacturing plant.
| | | |
|
|
|
3.
|
A traffic cop was stopping
every 5th car to check for insurance and license. What type of sampling method is
the cop using?
a. | Simple Random Sampling | c. | Systematic Sampling | b. | Stratified Sampling | d. | Convenience
Sampling |
|
|
|
4.
|
Which type of sampling method is being employed in the following
example:
“A study was being conducted after a tsunami. The researcher was
trying to assess the needs of the victims in a single downtown high rise apartment building .
So, she sent a messenger to ask one person on each floor what their needs were to get an idea of what
was needed to support the people in the building.”
a. | Simple Random
Sampling | d. | Sampling of
Convenience | b. | Stratified Sampling | e. | Systematic Sampling | c. | Cluster
Sampling |
|
|
|
5.
|
Which would be considered Qualitative data?
a. | A list of the tire pressure for each tire of every car in a
garage | b. | A list of the name brands for each tire of every car in a garage | c. | A list of tread
depth measures for each tire of every car in a garage | d. | A list of the measure of the diameters for each
tire of every car in a garage |
|
|
|
6.
|
| A telephone company is trying to
determine the most common injuries of a workman falling off a utility pole at least 25 feet up in the
air to see if they can improve safety. What would most likely be the most appropriate type of study
they should use? | | | |
a. | Perform an Experiment | c. | Take a Census | b. | Use a Simulation | d. | Use a Sampling |
|
|
|
7.
|
An
elementary principal wants to determine if simply observing a teacher’s classroom once a week
for an hour compared to no observations for the week improve student test results in the
classroom. So, he randomly selects 10 teachers to observe and 10 teachers not to observe and
collects data on the students in those classrooms. What type of study is the principal
conducting?
| | | |
a. | Perform an Experiment | b. | Observational study | c. | Take a
Census | d. | A Simulation |
|
|
|
8.
|
Which survey question has the least amount of bias?
a. | Why are vegetables good for you? | b. | How many hours of sleep do you
get? | c. | Do you think the media has a negative role in politics? | d. | Why are teen drivers
dangerous? |
|
|
|
9.
|
A teacher is conducting research for
an administrator comparing graduation rate trends of their school, Riverside High School, with the
states’ graduation rate trends over the last 5 years. The teacher went to the board of
education to retrieve the data collected by the district for her school and was able to
retrieved the states graduation rates on the Internet.
Is the teacher using a Primary data
source or Secondary data source and why?
| | | |
a. | Primary Data source because the teacher collected the data
herself. | b. | Primary Data source because the teacher is a teacher at the school that is being
researched. | c. | Secondary Data source because the teacher should have collected more than 5 years
worth of data. | d. | Secondary Data source because the teacher didn’t collect the data
herself. |
|
|
|
10.
|
| Collecting information of
participants in a study with their documented willingness to have data about them shared in a study
is also known as what? | | | |
a. | Altruism | b. | Informed Consent | c. | Confidential
Sampling | d. | Hippocratic Oath |
|
|
|
11.
|
| On which of the below situations has
confidentiality NOT been broken? | | | |
a. | You made notes during an interview and you asked a coworker to proof read your
notes. | b. | You store your encrypted research files on a public cloud
drive. | c. | You forget to inform participants that another researcher will be using the data
collected about the participant. | d. | You ask participants to sign a consent form
giving permission for their name be entered into a prize drawing. | e. | You introduce a
couple of participants to each other in the same study. |
|
|
|
12.
|
A researcher believes that eating
all organic foods will improve blood pressure. So, the researcher study groups as their diet is
altered.
How would you describe the change in blood pressure?
| | | |
a. | Independent Variable
(Treatment Variable) | c. | Confounding
Variable | b. | Dependent Variable
(Variable of Interest) |
|
|
|
13.
|
| A person is studying the
relationship between temperature and mental ability. So, she devised a test in which a group of
10 mice are timed as they run through a maze which leads to food and water. The researcher repeats
the test 3 times with each group to see how much they improve and she uses three groups. | | | |
• Group ‘A’, does the test under normal room
temperature of 76°F.
• Group ‘B’, does the test in the cold at a
temperature of 45°F.
• Group ‘C’, does the test under a hot
temperature of 105°F.
How would you most correctly describe Group
‘C’ in a statistical study?
a. | Control Group | b. | Placebo Group | c. | Treatment
Group | d. | Regular Group |
|
|
|
14.
|
Which type of study best describes the following research most likely to be
done?
A researcher
wants to test out a gasoline additive for tractor trailer trucks that is suppose to
substantially improve a truck’s gas mileage. So, the researcher has another
independent group send her 200 bottles with 100 being labeled ‘A’ that
just have diesel fuel and the other 100 being labeled ‘B’ with the additive.
During the study neither the researcher nor the truck drivers know which label
means it has the additive or not. Then, the data is collected and only near the end of the study is
it revealed to the researcher and drivers which bottles actually had the additive.
a. | Blind Study | c. | Open Study | b. | Double Blind
Study |
|