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WorksheetsBias in Sampling 5.03
Total questions: 17
Worksheet time: 34mins
Name
Class
Date
1.
Why do we randomly select our samples?
a)
to control every aspect
b)
reduce bias
c)
so we don't get the same answers from everyone
d)
because it is easier to do
2.
_______ is a part of a group being surveyed.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
3.
_________ is a sample in which each individual or object in the entire population has na equal chance of being selected.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
4.
Leslie surveyed the 9 youngest students in the elementary school. Is this sample of the students in the school likely to be representative of all the students in the school?
a)
yes
b)
no
5.
A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education. The office of the senator passes out surveys on ten street corners in the five major cities in the state of Maine. Is this random?
a)
Yes
b)
No
6.
Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?
a)
Ask the boys in the boys locker room.
b)
Ask the 25 students in his homeroom class.
c)
Ask students coming out of a movie theater.
d)
Ask half of the 34 students on the soccer team.
7.
What type of sampling? A student asks 12 friends to participate in a psychology experiment.
a)
Random sample
b)
Convenience sample
c)
Stratified Random sample
d)
Census
8.
According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?
a)
200 adults
b)
adults in the U.S.
c)
75% of adults
9.
Interview every 10th student who enters the school in the morning.
a)
simple random
b)
voluntary response
c)
systematic
d)
convenience
10.
Political webpages often allow readers to rate (if they want to) whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:
a)
Self-Selected
b)
Convenience Sampling
c)
Simple Random Sampling
d)
Systematic Random Sampling
11.
Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.
a)
Convenience Sampling
b)
Systematic Random Sampling
c)
Simple Random Sampling
d)
Volunteer response
12.
A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?
a)
40 students
b)
200 students
c)
320 students
d)
8,000 students
13.
Mrs. Trahan 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
14.
Dylan wants to know how the students at his school rate the cafeteria. He surveyed 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
15.
Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?
a)
thirty students who are often tardy
b)
thirty students who are rarely tardy
c)
thirty of her friends
d)
thirty randomly selected students from her school
16.
You want to know what is the most favorite sport of 7th graders at BMS. You ask 7th graders who want to participate to go to the office 5th period to complete a survey. This is...
a)
Biased, because it is a convenience sample
b)
Unbiased
c)
Biased because it is an interval sample
d)
Biased because it is a volunteer sample
17.
A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?
a)
The sample didn't include students.
b)
The sample is too small.
c)
The sample can only be accurate if each teacher is included in the sample
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