Worksheetssampling
Total questions: 20
Worksheet time: 54mins
Name
Class
Date
1.
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
2.
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
3.
This sample consists of the entire population
a)
convenience
b)
census
c)
cluster
d)
simple
4.
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
5.
Zoie completes a report by asking 70 students across campus. She found that 48% of CTMS students do not wash their hands after using the bathroom. What is the sample size?
a)
48
b)
100
c)
70
d)
CTMS students
6.
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
7.
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
8.
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 not a good sample in this case?
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
9.
The part of the population being studied is called the
a)
population
b)
sample
c)
random
10.
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)
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 1 block and survey all households on that block.
This is an example of:
a)
Simple Random Sample
b)
Stratified Random Sample
c)
Cluster Random Sample
d)
Systematic Random Sampling
12.
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.
13.
Identify the Sample:
A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.
A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.
a)
20 customers
b)
All customers
c)
8 customers
d)
Dessert
14.
Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource it's teachers feel is the most effective.
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource it's teachers feel is the most effective.
a)
230 Teachers
b)
All Wicomico County Teachers
c)
Students
d)
Wicomico County Public Schools
15.
Sam tested every 50th candy bar from the assembly line to make sure there were enough peanuts in each bar. He found 15% did not have enough peanuts. How many candy bars do not have enough peanuts if the factory produces 20,000 candy bars?
a)
300
b)
3,000
c)
300,000
d)
50
16.
A high school has 1500 students. In a random sample of 50 students, 32 own one or more pets. Predict the number of students at the high school who own one or more pets.
a)
480
b)
960
c)
48
d)
96
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
18.
Several students were surveyed about their favorite drinks. 11 orange soda, 17 pepsi, 10 coke, and 12 said grape. What percent of students like coke as their favorite?
a)
2%
b)
10%
c)
20%
d)
50%
19.
Darrien surveys 60 of the actors theater class. He concludes that 8 out of 15 actors have previous acting experience. What is the sample size?
a)
60
b)
8
c)
15
d)
53
20.
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
100 %
