Q.1
This sample consists of the entire population
  • convenience
  • census
  • cluster
  • simple
Q.2
Interview the firststudents who enter the school in the morning.
  • simple random
  • voluntary response
  • systematic
  • convenience
Q.3
Units of the population are ordered in some fashion. Usually, every k-th unit is chosen.
  • proportional
  • probable
  • stratified
  • systematic
Q.4
A teacher wants to know the average time spent doing homework by the students in her class ofgirls and 5 boys.She selects the first five who raise their hands.
  • Systematic
  • Convenience
  • Voluntary Response
  • Simple Random
Q.5
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?
  • Census
  • Simple Random Sample
  • Cluster Random Sample
  • Stratified Random Sample
Q.6
Marianne wanted to know students' opinion on the new schedule at school. So she randomly selected 2 students from each class during second period. This is a form of:
  • Convenience Sampling
  • Simple Random Sampling
  • Stratified Random Sampling
  • Cluster Sampling
Q.7
To randomly selectbasketball players from theplayers in the NBA, I would:
  • 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.
  • 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.
  • 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.
  • 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.
Q.8
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 chooseblocks and survey all households on each selected block. This is an example of:
  • Simple Random Sample
  • Stratified Random Sample
  • Cluster Random Sample
  • Systematic Random Sampling
Q.9
Leslie wants to find out what show students watch the most. She surveyed the 9 youngest students in the elementary school. Is this sample of the students in the school likely to be representative?
  • yes
  • no
  • Mr. Shinn, I have no idea!
  • All of above
Q.10
Which of the following is TRUE?
  • In a multi-stage random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
  • In a stratified random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
  • In a cluster random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
  • In a simple random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
Q.11
Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.
  • systematic
  • simple random sample
  • convenience
  • volunteer response
Q.12
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.
  • cluster
  • volunteer
  • systematic
  • simple random
Q.13
Identify the sampling design: School admin conducted a survey on post-graduation plans. Students of senior classwere listed in order by class rank. The school selected a random number between 1 andobtaining a number Then, they selected every 11th student for the survey.
  • cluster
  • volunteer
  • systematic
  • simple random
Q.14
Identify the sampling design: The LFCC registrar wants to investigate attitudes of their graduates. The registrar randomly selectsnames from each of the four past graduating classes.
  • cluster
  • volunteer
  • stratified
  • simple random
Q.15
Cluster, stratified, simple random, systematic, and proportional are all types of
  • convenience samples
  • biased samples
  • haphazard samples
  • unbiased samples
Q.16
Units of the population are grouped; one or more groups are selected at random. All units of that group are included in the sample.
  • cluster sample
  • simple random
  • stratified
  • proportional
Q.17
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:
  • Self-Selected
  • Convenience Sampling
  • Simple Random Sampling
  • Systematic Random Sampling
Q.18
A ___ is a small portion of the population used to gather data from.
  • Systematic Sampling Method
  • Sample
  • Population
  • Bias
Q.19
A ___ is a large group that includes everything being studied.
  • Sample
  • Stratified Sampling Method
  • Population
  • Voluntary-Response
Q.20
Elise, a supermarket employee, approachedrandom customers and asked whether they would be willing to discuss what they like most about the store. She interviewed thewho said yes. Is this sample of the supermarket's customers likely to be biased?
  • yes
  • no
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