Statistics - 7th grade

A survey company was trying to see if people in a state thought the pollution was too high. Which choice BEST represents the population to be surveyed?

• A selection of people from each neighborhood in the state.

• A selection of people who live in small towns.

• Every person in the state.

• A selection of people who live in dirty neighborhoods.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?

• The girls in the school.

• 1 classroom for each grade

• All the students in the school.

• The students making a B in math.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A gaming website wanted to find out which console its visitors owned. Which choice BEST represents the population in this situation?

• Visitors with an 'e' in their user name.

• Visitors to the 3DS section.

• Visitors over 22.

• All the website visitors.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The entire group studied.

• sample
• population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The part of the population being studied

• population
• sample
• random

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A sample that is by chance.

• random sample
• stratified sample
• systematic sample

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CCSS.HSS.IC.B.3

A toy store owner is tracking how much kids spend each month on toys. Which choice BEST represents a sample?

• All of the kids who buy toys.

• 275 rich kids

• 200 random kids of all ages

• 292 boys ages 7-15

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Complete the definition:

A _________ consists of all subjects (human or otherwise) that are being studied

• Statistics

• Number

• People

• Population

• Pueblo

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Complete the definition:

A _______ is a subset of a population

• sample

• sampel

• people

• statistics

• group

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1