Chapter 3, Section 2 Quizizz

Is the following a sample or population?

When trying to understand what students want to attend the Volleyball Tournament, you ask all students at the school.

• Sample

• Population

Is the following a sample or population?

When examining prices of groceries, you look at 25 grocery stores of the 40 in a town.

• Sample

• Population

Of the 40 students Amber surveyed, 15 said volleyball was their favorite sport. There are 850 students in the school, use Amber’s survey data to predict how many of them would say volleyball was their favorite sport.

• 412

• 118

• 215

• 319

Tags

CCSS.6.RP.A.3B

Jessica and Kayla attend the same dance school. They wonder how much time the dance students practice each week. Jessica asks only the 15-year-old dance students how many minutes they practice each week. Kayla asks a random sample of students. Whose sample do you think is more representative of all the students at the dance school?

• Jessica

• Kayla

In a recent survey, Kora learned that 7 out of 18 randomly chosen students on campus did not like soda. There are 900 total students at Kora’s school. If half of the student body is going to attend a dance, how many students could she expect to want soda at the dance?

• 175

• 275

• 550

• 350

Tags

CCSS.7.RP.A.3

Jacob has 150 songs on a playlist. Some are country, some are pop, and the rest are classical

music. His music is on random shuffle mode. In 1 hour, Jacob heard a total of 30 songs: seven

were country, nine were pop, and the rest were classical music. Predict how many country songs are on his playlist.

• 20

• 25

• 30

• 35

Jacob has 150 songs on a playlist. Some are country, some are pop, and the rest are classical

music. His music is on random shuffle mode. In 1 hour, Jacob heard a total of 30 songs: seven

were country, nine were pop, and the rest were classical music. Predict how many pop songs are on his playlist.

• 30

• 40

• 45

• 35

Tags

CCSS.7.RP.A.3

Jacob has 150 songs on a playlist. Some are country, some are pop, and the rest are classical

music. His music is on random shuffle mode. In 1 hour, Jacob heard a total of 30 songs: seven

were country, nine were pop, and the rest were classical music. Predict how many classical songs are on his playlist.

• 60

• 70

• 80

• 90

Tags

CCSS.6.RP.A.3B