NEW
Font size
S
M
L
XL
WorksheetsGathering Data
Total questions: 13
Worksheet time: 25mins
Name
Class
Date
1.
Which method is most likely to produce a random sample of the members of your class?
a)
listing the first six students that come to mind
b)
choosing the five oldest students in the class
c)
writing the name of each student on a separate piece of paper and then drawing
these slips from a hat
d)
selecting the first six students to arrive at class
2.
Scotland is considering independence from England. An opinion poll showed that 51% of Scots favor "independence." Another poll taken at the same time showed that only 34% favored being "separate" from England. The reason these results differ by so much is that...
a)
samples will usually differ just by chance due to random sampling
b)
the wording of questions has a big effect on poll results
c)
more follow-up efforts reduced the nonresponse rate of the second poll
d)
the second poll suffered from undercoverage
3.
Ms. Evans samples her class by selecting every third person on her class list. Which type of sampling method is this?
a)
Simple
b)
Systematic
c)
Stratified
d)
Cluster
4.
Ms. Reynolds samples her class by selecting all students sitting at group 1 and group 5 in her classroom. This sampling technique is called?
a)
Simple
b)
Stratified
c)
Systematic
d)
Cluster
5.
Ms. Banks samples her class by selecting 5 girls and 7 boys. This type of sampling is called?
a)
Stratified
b)
Systematic
c)
Simple
d)
Cluster
6.
Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees. This is ______________ sampling.
a)
Simple
b)
Stratified
c)
Cluster
d)
Systematic
7.
In order to use samples to estimate something from the population, the sample should be _________________ the population.
a)
Exactly the same as
b)
Nothing like
c)
Representative of
d)
Larger than
8.
Dylan asked his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?
a)
Yes, because it is a convenience survey
b)
No, the basketball team has the smartest students
c)
Yes, because it's voluntary survey
d)
No, he should have asked the football team
9.
A student wants to determine the favorite professional sport of students in her high school. Which of the following samples is most likely to giver her a representative sample?
a)
A random Sample of the students in the art honor society
b)
A random sample of students on the basketball team
c)
A random sample of students on the official school enrollment roster
d)
A random sample of students in the library during lunch
10.
To study the amount of time students spend doing homework each day, use a random number generator to select 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors to survey.
a)
Convenience Sample
b)
Simple Random Sample
c)
Stratified Random Sample
d)
Interval Sample
11.
A researcher is interested in the cholesterol levels of adults in the city in which she lives. A free cholesterol screening program is set up in the downtown area during the lunch hour. Individuals can walk in and have their cholesterol levels determined for free. One hundred and seventy three people use the service, and their average cholesterol is 217.8. The sample obtained is an example of
a)
a simple random sample, since the experimenter did not know beforehand which individuals would come to the screening.
b)
a stratified sample of high and low cholesterol individuals
c)
a sample probably containing bias and undercoverage.
d)
a multistage sample of varying cholesterol levels.
12.
1000 surveys from ESPN are mailed but only 150 are returned. Most of the returned surveys said they hated football.
a)
This is an example of undercoverage bias.
b)
This is an example of voluntary response bias.
c)
This sample could have both voluntary response and non-response bias.
d)
This is good data, most people really hate football.
13.
The student newspaper runs a weekly question that readers can answer online or by campus mail. One question was “Do you think the college is doing enough to provide student parking?" Of the 136 people who responded, 79% said “No." The newspaper poll does not give a trustworthy estimate of student opinion because there is
a)
bias due to nonresponse.
b)
bias due to undercoverage.
c)
bias due to the suggestive wording of the question.
d)
bias due to relying on voluntary response.
Reset
