Back to Details Practice: Understand that valid generalizations about a population require a representative, random sample. (NC.7.SP.1) Open in Editor

Practice: Understand that valid generalizations about a population require a representative, random sample. (NC.7.SP.1)

Targeted remediation practice

            📚 Mathematics
                            🎓 Grade 7
                                        ⏱️ 25 minutes
                    

Learning Objectives

Understand that valid generalizations about a population require a representative, random sample.

            Progress
            4 sections
        

1
Practice set 1

Question 1

To learn the favorite sport of all students at a school, which is the best sample?

A random group of students from every grade
Only students leaving the gym
Only students in one class
Only the basketball team

Question 2

A survey about school lunch is given only to students in the cafeteria line. Why might this be biased?

Random samples are always biased
It includes too many students
It leaves out students who bring lunch from home
It asks about the wrong topic

Question 3

Which sampling method is most likely to be representative?

Randomly selecting names from the full student list
Surveying the first 10 people you see
Asking only club members
Asking your friends

Question 4

Why do we use random samples?

To make the sample larger
To choose the people we like
So every member has an equal chance of being chosen
To save the most time

Question 5

To learn the favorite sport of all students at a school, which is the best sample?

A random group of students from every grade
Only students in one class
Only students leaving the gym
Only the basketball team

2
Practice set 2

Question 6

A survey about school lunch is given only to students in the cafeteria line. Why might this be biased?

Random samples are always biased
It includes too many students
It asks about the wrong topic
It leaves out students who bring lunch from home

Question 7

Which sampling method is most likely to be representative?

Randomly selecting names from the full student list
Asking only club members
Surveying the first 10 people you see
Asking your friends

Question 8

Why do we use random samples?

To save the most time
So every member has an equal chance of being chosen
To make the sample larger
To choose the people we like

Question 9

To learn the favorite sport of all students at a school, which is the best sample?

Only the basketball team
Only students leaving the gym
A random group of students from every grade
Only students in one class

Question 10

A survey about school lunch is given only to students in the cafeteria line. Why might this be biased?

It includes too many students
It leaves out students who bring lunch from home
Random samples are always biased
It asks about the wrong topic

3
Practice set 3

Question 11

Which sampling method is most likely to be representative?

Surveying the first 10 people you see
Asking your friends
Asking only club members
Randomly selecting names from the full student list

Question 12

Why do we use random samples?

To save the most time
To choose the people we like
To make the sample larger
So every member has an equal chance of being chosen

Question 13

To learn the favorite sport of all students at a school, which is the best sample?

Only students in one class
Only students leaving the gym
Only the basketball team
A random group of students from every grade

Question 14

A survey about school lunch is given only to students in the cafeteria line. Why might this be biased?

It includes too many students
Random samples are always biased
It asks about the wrong topic
It leaves out students who bring lunch from home

Question 15

Which sampling method is most likely to be representative?

Asking your friends
Randomly selecting names from the full student list
Surveying the first 10 people you see
Asking only club members

4
Practice set 4

Question 16

Why do we use random samples?

To choose the people we like
To save the most time
To make the sample larger
So every member has an equal chance of being chosen

Question 17

To learn the favorite sport of all students at a school, which is the best sample?

A random group of students from every grade
Only the basketball team
Only students leaving the gym
Only students in one class

Question 18

A survey about school lunch is given only to students in the cafeteria line. Why might this be biased?

It includes too many students
It asks about the wrong topic
Random samples are always biased
It leaves out students who bring lunch from home

Question 19

Which sampling method is most likely to be representative?

Surveying the first 10 people you see
Randomly selecting names from the full student list
Asking only club members
Asking your friends

Question 20

Why do we use random samples?

To choose the people we like
To make the sample larger
To save the most time
So every member has an equal chance of being chosen

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