Q.1.
This sample consists of the entire population
Q.2.
Interview the firststudents who enter the school in the morning.
Q.3.
Units of the population are ordered in some fashion. Usually, every k-th unit is chosen.
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.
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?
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:
Q.7.
To randomly selectbasketball players from theplayers in the NBA, I would:
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:
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?
Q.10.
Which of the following is TRUE?
Q.11.
Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.
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.
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.
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.
Q.15.
Cluster, stratified, simple random, systematic, and proportional are all types of
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.
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:
Q.18.
A ___ is a small portion of the population used to gather data from.
Q.19.
A ___ is a large group that includes everything being studied.
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?