Populations and Samples

A part of the population is called a ________________.

• biased sample

• random sample

• sample

• convenience sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A sample that does not fairly represent the population is called a _________________ sample

• random

• convenience

• biased

• population

Tags

CCSS.RL.11-12.6

Determine which type of sampling method was used.

Wilby surveys only the band students that he knows personally.

• systematic sample

• biased sample

• random sample

• convenience sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine which type of sampling method was used.

Evelyn writes each band student's name on a card. She questions those students whose name she draws.

• random sample

• biased sample

• systematic sample

• convenience sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine whether the sample is biased.

The mayor surveys 100 supporters at a rally about the most important issues to be addressed by the city council.

• biased

• not biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine whether the sample is biased.

Dr. Glencross sends out questionaires to all of the students to find out what kind of music students prefer at dances.

• biased

• not biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A principal of a school with 1,500 students estimates that about 400 students will attend a band festival on Saturday. A random sample of 25 students showed that 6 of them will attend. Determine whether the principal's estimate is likely to be accurate. (Hint: use a proportion)

• Accurate because 400 students will attend

• Not accurate because 360 students will attend

• Not accurate because 96 students will attend

• Accurate because 399 students will attend

Tags

CCSS.7.SP.A.2

Determine if the sample is biased.

A disc jockey asks the first 10 listeners who call in if they liked the last song that was played.

• Not biased

• Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1