Random Samples and Bias

Quiz
•
Mathematics
•
7th Grade
•
Hard
Rebecca Ziegler
Used 17+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A townhouse community of 250 residents wants to determine if installing a new playground will be a good idea. Which group of residents would be the best sample to use for a survey that is designed to gather information about the opinions of all the townhouse community?
Randomly choosing 50 residents without children.
Randomly choosing 50 residents with children.
Randomly choosing 50 residents by drawing house numbers from all the house numbers in the community.
Randomly choosing 50 residents by drawing house numbers from the odd numbered houses in the community.
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which of the following is an example of a biased sample. Select ALL that apply.
Marcie wants to find out the favorite type of ice cream for her 7th grade class. She puts all of their names in a bag, draws 15 names from the bag and surveys those students.
Charlie wants to find out the favorite car of the people in his small town. He surveys 25 people at the local Ford dealership.
Lucy wants to find out if the boys in her math class are smarter than the girls. She randomly chooses 10 girls and asks what they think.
Patty wants to find out who likes to kayak on the weekends in her 8th grade class. During 8th grade lunch she randomly surveys 50 students by handing out slips of paper with her survey question printed on them. She places a collection basket at the exit to the cafeteria for the students to return the completed slips.
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Linus wants to find out what type of music his classmates enjoy most. Determine which of the survey questions may not be biased. Choose the TWO that apply.
Is rock your favorite kind of music?
What is your favorite kind of music?
Country is the best type of music, don’t you think?
If you could choose any music to listen to, what would you choose?
4.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
A recent shipment of 2,500 iPhones at the local Best Buy store needed to be checked for manufacturing defects. The manager chose 25 at random and found 4 to be defective. (Do not type any words in your answer)
5.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
A random sample of cats at the SPCA shows that 25 out of the 40 cats are orange. There are a total of 800 cats at all the animal shelters in the area.
Using this information, predict the number of orange cats.
(Do not type any words in your answer.)
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
A random sample of 900 passengers boarding a plane were asked if they had flown before.
132 Have flown before
18 Have NOT flown before
Write a proportion that can be used to determine how many passengers have probably not flown before.
7.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
A random sample of 900 passengers boarding a plane were asked if they had flown before.
132 Have flown before
18 Have NOT flown before
Based on the survey results, how many passengers have probably not flown before?
Similar Resources on Wayground
10 questions
Random and Representative Sampling

Quiz
•
7th Grade
9 questions
Population and Sample Quiz

Quiz
•
7th Grade
10 questions
Representative Sample Survey

Quiz
•
7th Grade
11 questions
Determine If a Sample Is Representative of a Population

Quiz
•
7th Grade - University
9 questions
Predicting Using Samples and Population

Quiz
•
7th Grade - University
10 questions
Independent and Dependent Events

Quiz
•
7th Grade
12 questions
Sample and Population Statistics

Quiz
•
6th - 8th Grade
10 questions
Population and Random Sample

Quiz
•
7th Grade - University
Popular Resources on Wayground
20 questions
Brand Labels

Quiz
•
5th - 12th Grade
10 questions
Ice Breaker Trivia: Food from Around the World

Quiz
•
3rd - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
20 questions
ELA Advisory Review

Quiz
•
7th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
10 questions
Multiplication and Division Unknowns

Quiz
•
3rd Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Mathematics
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
Multiplying and Dividing Integers

Quiz
•
7th Grade
20 questions
Distribute and Combine Like Terms

Quiz
•
7th - 9th Grade
15 questions
proportional relationships in tables graphs and equations

Quiz
•
7th Grade
20 questions
Combining Like Terms

Quiz
•
7th - 8th Grade
27 questions
Calculate Operations with Rational Numbers

Quiz
•
7th Grade
10 questions
Solving two-step equations

Quiz
•
7th Grade
15 questions
Two Step Equations

Quiz
•
7th - 8th Grade