The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night. What can we conclude about the data?

First period took longer to complete their homework

Second period took longer to complete their homework

Both classes took the same amount of time to complete their homework.

To predict the performance of her first period class on their next quiz, a teacher randomly selects eight students from the class and takes the mean of their scores on the last quiz. Is this sample representative of the class's performance on the quiz?

Yes, because it is a simple random sample.

No, because the students were chosen from the best students in the class.

Yes, because the students were chosen based on their class average.

No, because it is a simple random sample.

You want to study a random sample of 4 out of 26 students in your class. Describe a process you could use to create a random sample with 4 subjects.

Assign each student a number in alphabetical order, then select 4 random numbers.

Select 4 students who sit close to you.

Select the 4 students whose names come first alphabetically.

Assign each student a number, then select students 1 through 4.

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.

Both samples could be representative of the population.

Each sample gave the same responses.

Both samples include only Lana and Jeff's friends.

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.

10 seventh-grade boys and 10 seventh-grade girls

20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students

15 seventh-grade boys and 5 teachers

Sample and Population Math

Quiz

•

Mathematics

•

7th Grade

•

Practice Problem

•

Hard

•

CCSS

7.RP.A.2C

Standards-aligned

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

20 customers

All customers

8 customers

Dessert

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

Yes

No

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

230 Teachers

All teachers

Students

Wicomico County Public Schools

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Population or Sample?
A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

Population

Sample

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Magic Kingdom theme park has many attractions, one of which is Space Mountain. Are the people who ride Space Mountain the population or a sample of the theme park? Explain.

Population. They are all the people at the theme park.

Sample. They are a subset of all the people at the theme park.

Both population and sample. They are all the people at the theme park

Neither population nor sample. They are not the people at the theme park.

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Russell randomly surveys 7th graders in his school and finds that 6 out of 30 attend summer camp. If there are 200 7th graders in his school, about how many are expected to attend summer camp?
(hint-set up a proportion)

Which team has the higher median?

Team A

Team B

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Sample and Population Math

15 questions

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Mrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

Population or Sample?
A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

The Magic Kingdom theme park has many attractions, one of which is Space Mountain. Are the people who ride Space Mountain the population or a sample of the theme park? Explain.

Russell randomly surveys 7th graders in his school and finds that 6 out of 30 attend summer camp. If there are 200 7th graders in his school, about how many are expected to attend summer camp?
(hint-set up a proportion)

Which team has the higher median?

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night.
What is the mean of first period?

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night.
What is the mean of 2nd period?

What is Team A's Median?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Sample and Population Math

15 questions

Identify the Sample:A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Mrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

Identify the Population:Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

Population or Sample?A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

The Magic Kingdom theme park has many attractions, one of which is Space Mountain. Are the people who ride Space Mountain the population or a sample of the theme park? Explain.

Russell randomly surveys 7th graders in his school and finds that 6 out of 30 attend summer camp. If there are 200 7th graders in his school, about how many are expected to attend summer camp? (hint-set up a proportion)

Which team has the higher median?

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night. What is the mean of first period?

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night. What is the mean of 2nd period?

What is Team A's Median?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

Population or Sample?
A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

Russell randomly surveys 7th graders in his school and finds that 6 out of 30 attend summer camp. If there are 200 7th graders in his school, about how many are expected to attend summer camp?
(hint-set up a proportion)

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night.
What is the mean of first period?

The dot plots show how long it took the 20 students in Mr. Novick’s two math classes to finish their math homework last night.
What is the mean of 2nd period?