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WorksheetsSAMPLING
Total questions: 15
Worksheet time: 18mins
Name
Class
Date
1.
_________ 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
2.
_______ is a part of a group being surveyed.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
3.
Kim surveys 100 moviegoers that entered the movie theater in the first hour. What type of sampling method is this?
a)
Random
b)
Convenience
c)
Biased
4.
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
5.
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
6.
Every member of the larger group has an equal chance of being chosen.
a)
secondary sample
b)
systematic sample
c)
stratified sample
d)
random sample
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.
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.
9.
An entire group of objects - people, animals, plants - from which data can be collected.
a)
population
b)
sample
c)
representative sample
d)
random sample
10.
A quantity calculated from the observations in a SAMPLE.
a)
Parameter
b)
Study
c)
Statistic
d)
Observation
11.
Source of bias in which some groups of populations are LEFT OUT of the selection process
a)
Response Bias
b)
Undercoverage
c)
Convenience Sampling
d)
Voluntary Response
12.
Source of bias that occurs when an individual chosen for the sample CAN'T be contacted or refuses to cooperate.
a)
Response Bias
b)
Undercoverage
c)
Nonresponse
d)
Voluntary Response
13.
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
14.
A type of sampling that needs to select the sample size more than once.
a)
Stratified
b)
Simple
c)
Systematic
d)
Multi-stage
15.
This is a reason for sampling which emphasizes on saving time, resources and effort.
a)
Practicality
b)
Economy
c)
Necessity
d)
Ethicality
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