7.SP.1 and 7.SP.2

• About 10% of the students wake up at 6:00 a.m.

• More than 3/4 of the students wake up at 6:30 a.m. or 7:00 a.m.

• More than 2/5 of the students wake up at 7:00 a.m.

• Less than 10% of the students wake up at 7:30 a.m.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The drama club wants to estimate the number of students who will attend the school play. The president of the club asks 20 of her friends if they are going to the play. She learns that 13 of them plan to attend the play. What could the president do to make it more likely that her estimate will be closer to the actual number of students who attend the

play?

• ask 20 more of her friends if they are going to the play

• ask the last 20 students in the cafeteria line if they are going to the

  play

• ask every 20th student on a list of all the students in the school if

  they are going to the play

• ask the members of the drama club to each ask 20 of their friends if

  they are going to the play

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

• Mr. Holt received responses from 160 students

• 16% of the students preferred mint flavor

• 38% of the students preferred orange or lemon flavor

• More than 35% of the students preferred chocolate or pineapple flavor.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

• More than half of the students preferred hot dogs or grilled cheese

• More than half of the students preferred pizza or grilled cheese.

• More than half of the students preferred hot dogs or chicken

• More than half of the students preferred pizza or chicken

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A coach wants to know the favorite snack purchased at the concession stand during football games. Which is the best sample for the coach’s survey?

• students getting off the bus

• teachers at the school

• the football team players

• students entering the football stands

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

At a middle school, the administration wants to know how most students get to school. Which sample would be considered a biased sample?

• every 10th student entering the library

• every 10th student getting off a bus

• every fifth student from an alphabetical list

• one student randomly chosen from every homeroom

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sports writer wants to know which is the most popular college basketball team. Which group of people would give her the least biased answer?

• every 4th person entering a college dining hall

• every 4th student watching a game being played

• every 4th student at a freshman orientation

• every 4th person entering a grocery store

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A school has five 7th-grade homeroom classes. One homeroom class was given a survey. Which statement best describes the scope of the survey results?

• The results can be used to describe what most students aged 10 to

  12 think.

• The results can be used to describe what 7th graders across the

  country think.

• The results can be used to describe what the 7th graders at this

  school think.

• The results can be used to describe what most 8th graders thought

  last year when they were in 7th grade.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A hospital wants to conduct a survey to find out what patients think about the quality of medical services provided by its doctors and staff. Which of these samples would give it the best results?

• taking the opinion of the entire staff in the hospital

• taking the opinion of patients in the cardiology wing of the hospital

• taking the opinion of all the doctors who treat patients in the

  hospital

• taking the opinion of every fifth patient who is discharged from the

  hospital

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

• Less than 5% of the students chose cranberry as their favorite.

• More than 50% of the students chose apple or orange as their

  favorite.

• Less than 1/3 of the students chose grape as their favorite.

• More than 1/2 of the students chose grape or cranberry as their

  favorite.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5