
Populations, Samples, Inferences & Predicting Practice Quiz
Authored by Melanie Scanlan
Mathematics
7th Grade
CCSS covered

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An aquarium has many attractions, one of which is the shark exhibit. Are the people who visit the shark exhibit the population or the sample of the aquarium? Explain.
Sample. They are a subset of all of the people at the aquarium.
Population. They are all the people at the aquarium.
Both Population and Sample. They are all of the people at the aquarium.
Neither Population or Sample. They are not at the aquarium.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Students in Mr. Grabarek's Advisory class at Willowcreek wanted to find out the favorite video game of all the students at the school. How could they generate a random sample to survey?
Choose the first 15 students in Mr. Chlebowski's office
Pick 30 6th grade boys that are in Ms. Alvarado's class
Ask ten 8th graders who get to lunch first
Select every 5th student on a list of all of the students at Willowcreek
Tags
CCSS.HSS.IC.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jacob wants to convince his dad that he should be allowed to increase his weekly internet usage at home from 5 hours a week to 7 hours a week. Can Jacob use this data to present a valid inference that will convince his dad? Explain.
Yes, most students use the internet 7 or more hours a week
Yes, most students only use the internet 5 hours a week
No, most students use the internet 7 or more hours a week
No, most students use the internet either 9 or 10 hours a week
Tags
CCSS.7.SP.A.2
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Raul randomly surveys students in his school and finds that 12 out of 150 students favorite basketball team is the Los Angeles Lakers. If there are 800 students in his school, about how many students are expected to have the Los Angeles Lakers be their favorite basketball team?
Tags
CCSS.7.SP.A.2
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Jimmy surveyed a random sample of students at school to collect data about the number of books they read this semester. Use the data in the table and select all valid inferences.
Students are more likely to have read exactly 2 books than any other number
More students have read 3 books than have read more than 3 books
More than 10 students have read at least 2 books
No students have read 5 books
Tags
CCSS.7.SP.A.2
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