Sample and Population Statistics

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.

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.

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.

The entire group studied.

• sample
• population

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?

• All of the kids who buy toys.

• 275 rich kids

• 200 random kids of all ages

• 292 boys ages 7-15

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

• Population:  Number of McDonald's
  Sample:  25 miles² of Maui
• Population: 25 miles² of Maui
  Sample:  Number of McDonald's
• Population:  25 miles²
  Sample:  Maui
• Population:  Maui
  Sample:  Number of McDonald's

You want to know how many students catch the bus to go home.  You go to the bus stop and ask students how they go home from school.  Is this a random sample or biased sample?

• BIASED
• RANDOM

You want to know what your grandma's favorite flower is so you ask her if she likes roses.  Is you question biased or fair?

• BIASED
• FAIR