Random or Representative Sample

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Lana and Jeff each randomly surveyed 15 students about their favorite types of movies. What would you expect to see in the samples? Select all that apply.
Different members are found in each sample.
Some members may possibly overlap in each sample.
Each sample gave the same responses.
Both samples could be representative of the population.
Both samples include only Lana and Jeff's friends.
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The principal at Marina Middle School wants to determine if the 120 students in the seventh grade prefer to visit Catalina Island or Camp Mosaic for their end-of-year trip. Which of the following is a representative sample of the population? Select all that apply.
20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students
10 seventh-grade boys and 10 seventh-grade girls
25 seventh-grade students
15 seventh-grade boys and 5 teachers
25 students from the school
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Students in Mrs. Walsh’s math class wanted to know the favorite snacks of students in the school. How could they generate a random sample to survey?
Line up the students by height and choose the first 20 students.
Use the school roster and randomly choose 50 boys.
Obtain an alphabetized list of all the students in the school and select every seventh student.
Place all the names of the students in Mrs. Walsh's math class in a hat and randomly select 10 students.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vanessa’s class is studying the number of car commercials on television between 6 p.m. and 8 p.m. for five days. Which is the best sample for Vanessa to use?
The commercials between 6 p.m. and 8 p.m. on each day
The first five commercials each of the five days
The commercials shown between 6 p.m. and 7 p.m. on a randomly chosen day
The commercials shown between 6:30 p.m. and 7:30 p.m. on three randomly chosen days
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:
Asking all the students in the hot lunch line.
Asking 10 random students from each homeroom.
Asking every other student who gets off a school bus.
Asking all the 10th graders.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A survey was distributed to determine food preferences for Middle School students. Which sample is most the representative for this survey?
A group of High School students during a PE class.
A group of parents of local Middle School students.
10 Elementary School students from each of the 5 local Elementary Schools.
20 randomly selected students from 6th, 7th, and 8th grade from each local Middle School.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The sample represents the population.
Choose the answer that says "Representative Sample"
Random Sample
Biased Sample
Representative Sample
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