Population

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?

• Every person in the state

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

• A selection of people who live in small towns.

• A selection of people who live in dirty neighborhoods.

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.

• All the students in the school.

• The students making a B in math.

• 1 classroom for each grade

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.

• All the website visitors.

• Visitors over 22.

The entire group studied

• population

• sample

The part of the population being studied

• population

• sample

• random

A sample that is by chance.

• random sample

• stratified sample

• systematic sample

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

• 275 rich kids

• 200 random kids of all ages

• All of the kids who buy toys.

• 292 boys ages 7-15

What is the sample and population?Number of McDonald's in a 25 miles² area of Maui...

• Population:  MauiSample:  Number of McDonald's

• Population:  25 miles²Sample:  Maui

• Population:  Number of McDonald'sSample:  25 miles² of Maui

• Population: 25 miles² of MauiSample:  Number of McDonald's

_______ is the entire group of objects or individuals considered for a survey.

• Quartile

• Random Sample

• Population

• Sample

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