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Sampling Methods

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.
Interview the first 30 students who enter the school in the morning. 
a)
simple random
b)
voluntary response
c)
systematic
d)
convenience
2.
Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. 
a)
systematic
b)
simple random sample
c)
convenience
d)
volunteer response
3.
Political webpages often allow readers to rate whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:
a)
Voluntary Response
b)
Convenience Sampling
c)
Simple Random Sampling
d)
Systematic Random Sampling
4.
Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 
a)
Convenience Sampling
b)
Systematic Random Sampling
c)
Simple Random Sampling
d)
Volunteer response
5.
Why do we randomly select our samples?
a)
for control
b)
reduce bias
c)
so we don't get the same answers from everyone
d)
to eliminate confounding results
6.
Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:
a)
Simple Random Sample
b)
Stratified Random Sample
c)
Voluntary Response
d)
Systematic Random Sampling
7.
A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She selects the first five who raise their hands.
a)
Systematic
b)
Convenience
c)
Voluntary Response
d)
Simple Random
8.
A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She selects the five closest to her desk.
a)
simple random
b)
Voluntary Response
c)
Convenience
d)
Systematic Random
9.
A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.
a)
Simple Random
b)
Systematic Random
c)
voluntary response
d)
convenience
10.
Which of the following is TRUE?
a)
In a multi-stage random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
b)
In a stratified random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
c)
In a cluster random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
d)
In a simple random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
11.
An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 50 blocks and survey all households on each selected block. 
This is an example of:
a)
Simple Random Sample
b)
Stratified Random Sample
c)
Cluster Random Sample
d)
Systematic Random Sampling
12.
To randomly select 25 basketball players from the 300 players in the NBA, I would: 
a)
Number the players from 01-25, read 3 digits at a time from a random table, discarding repeats and numbers over 25, and then stop when I reach 25.
b)
Number the players from 0-299, read 2 digits at a time from a random table, discarding repeats and numbers over 299, and stop when I reach 25.
c)
Number the players from 01-299, read 2 digits at a time from a random table, discarding repeats and numbers over 300, and stop when I reach 25.
d)
Number the players from 001-300, read 3 digits at a time from a random table, discarding repeats, 000 and numbers over 300, and stop when I reach 25.
13.
A teacher hands out an index card and asks all of her students to write down the following information: age, height (in inches), and what grade they are in.
Which of the following best describes her method of data collection?
a)
Census
b)
Simple Random Sample
c)
Cluster Random Sample
d)
Stratified Random Sample
14.
A ___ is a large group that includes everything being studied.
a)
Sample
b)
Stratified Sampling Method
c)
Population
d)
Voluntary-Response
15.
A ___ is a small portion of the population used to gather data from.
a)
Systematic Sampling Method
b)
Sample
c)
Population
d)
Bias
16.

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

a)

yes

b)

no

17.

Interview every 10th student who enters the school in the morning.

a)

simple random

b)

voluntary response

c)

systematic

d)

convenience

18.

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

a)

systematic

b)

simple random sample

c)

convenience

d)

Self - selected (volunteer)

19.

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

20.
Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:
a)
Simple Random Sample
b)
Stratified Random Sample
c)
Voluntary Response
d)
Systematic Random Sampling
21.

A teacher wants to know how well her students are doing on a topic. She randomly picks one class to survey.

a)

Simple Random

b)

Cluster

c)

Stratified

d)

Systematic

22.

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

a)

Stratified.

b)

Systematic

c)

Cluster

d)

Biased.

23.

1. For a class assignment, Tyler will conduct a survey to find out what students like to do after school. He asks the first 10 people he sees in the gymnasium before school what they like to do after school. Which statement correctly explains whether Tyler's sample is a random sample?

a)

Tyler’s sample is not random because he only asks 10 people

b)

Tyler’s sample is not random because he asks people in a gymnasium.

c)

Tyler’s sample is random because he asks the first 10 people he sees.

d)

Tyler’s sample is random because he asks each person the same question

24.

Andre wants to survey a random sample of the student body in his school to find out which day after school would work best for students to do volunteer work for a local charity. Which

sample would best represent the student body?

a)

asking twenty students waiting in line for lunch

b)

asking twenty students on their way to the bus after school

c)

asking one person from the seventh grade daily for twenty days

d)

asking one person each from twenty different classrooms during the first class period

25.

Lee will conduct a survey at his school. He will select a random sample of students at the school to take the survey. Which sample is the best random sample for Lee to use?

a)

every other student in the drama club

b)

every fifth student who enters the school

c)

every student who rides the same bus as Lee

d)

every fourth student in Lee’s homeroom class

26.

Which statement best describes a random sample of all students in a middle school?

a)

Of all the students who are on the track team, the first three to finish a race are selected.

b)

Of all the students who are in the drama club, every third student on the roster is selected.

c)

Of all the students who complete an assignment, the first, third, and tenth students are selected.

d)

Of all the students who attend a school-wide assembly, those sitting in every third seat are selected.

27.
Susan polled 587 people throughout each city in her county.  Each city is the same size.  Is this sample of the residents of cities in the county likely to be biased?
a)
yes
b)
no
28.
Eric surveyed 402 employees at the company who worked in Marketing.  Is this a random sample of the employees at the company in general?
a)
yes
b)
no
29.
Leslie surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative?
a)
yes
b)
no
30.
Henry surveyed the first 7 celebrities to arrive at the movie premiere.  Is this sample of celebrities likely to be biased?
a)
yes
b)
no
31.
Patrick polled the first 27 people to attend the WMS band concert.  Is this sample of the concert attendees likely to be representative?
a)
yes
b)
no
32.
Colton polled 22 people at the town senior center.  Is this a random sample of the town residents?
a)
yes
b)
no
33.
Starla polled the 2 customers who had been going to a particular barbershop the longest.  Is this sample of the customers likely to be representative?
a)
yes
b)
no
34.
Mrs. Trahan samples her class by selecting 5 girls and 7 boys.  This type of sampling is called?
a)
Stratified
b)
Systematic
c)
Simple
d)
Cluster
35.
Mrs. Trahan 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
36.
Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.
a)
Systematic
b)
Simple
c)
Stratified
d)
Cluster
37.
Farmer Joe separates his apple tree farm into 10 regions.  He counts the number of apples produced in just one of the regions and uses that estimate to predict the number of apples produced on the whole farm.  This is _______ sampling.
a)
Simple
b)
Cluster
c)
Stratified
d)
Systematic
38.
Farmer Joe's apple tree farm is set up in 100 rows.  He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.  This is _____________ sampling.  
a)
Simple
b)
Stratified
c)
Cluster
d)
Systematic
39.
Farmer Joe separates his farm into 10 regions.  He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm.  This is _____________ sampling.  
a)
Cluster
b)
Systematic
c)
Stratified
d)
Simple
40.
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
41.
When one examines the entire population instead of a subgroup of the population, this is called a ____________.
a)
Sampling
b)
Census
c)
Bias
42.

What kind of sampling technique is the following:


List the names of all the students alphabetically and contact the parent of every 25th student.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

43.

What kind of sample technique is the following:


Selecting every 8th person in line for a water slide.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

44.

What kind of sample technique is the following:


Survey 130 names chosen out of a hat.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

45.

What kind of sample technique is the following:


Question 90 employees chosen at random.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

46.

What kind of sample technique is the following:


Question everyone in the cafeteria.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

47.

What kind of sample technique is the following:


Question every 10th person you see leaving the mall.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

48.

What kind of sample technique is the following:


Question every person in the movie theater parking lot.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

49.

What kind of sample technique is the following:


Survey the students in your classroom.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

50.

What kind of sample technique is the following:


The teacher selecting students by pulling their name out of a hat.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

51.

What kind of sample technique is the following:


Survey every 8th customer who leaves your store.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

52.

What kind of sample technique is the following:


Question everyone who sits in your row.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

53.

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

a)

systematic

b)

simple random sample

c)

convenience

d)

Self - selected (volunteer)

54.

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

55.
Every possible group of units of the required size has the same chance of being the selected sample as any other sample of the same size.
a)
Simple Random 
b)
Thoughtful
c)
Typical
d)
Proportional
56.
This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.
a)
stratified
b)
cluster
c)
judgment
d)
experimental
57.
Identify the sampling design: SCPS wants to survey its employees.  They pick 4 schools from the county and survey every single employee in each of the 4 buildings.
a)
cluster
b)
volunteer
c)
systematic
d)
simple random
58.
Identify the sampling design: Mr. Rhoades puts all of his students' names in a hat and randomly selects one without looking.
a)
cluster
b)
volunteer
c)
systematic
d)
simple random
59.
Identify the sampling design: The LFCC registrar wants to investigate attitudes of their graduates.  The registrar randomly selects 100 names from each of the four past graduating classes.
a)
cluster
b)
volunteer
c)
stratified
d)
simple random
60.
Identify the sampling design: School admin conducted a survey on post-graduation plans.  Students of senior class 2018 were listed in order by class rank.  The school selected a random number between 1 and 15, obtaining a number 11.  Then, they selected every 11th student for the survey.
a)
cluster
b)
volunteer
c)
systematic
d)
simple random

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