Populations Samples Hypotheses

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

• All of the kids who buy toys.

• 227 rich kids.

• 228 boys age 7-15.

• 235 kids from age 10 to 15.

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

• Sample

• Population

• Random Sample

• Quartile

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

^{Determine the population and sample...}
You look at a 5 mile stretch of Maui and count the number of traffic lights.

• ^{Population: 5 mile stretch of Maui 
  _{Sample: Number of Traffic Lights}}

• ^{Population: Number of Traffic Lights
  _{Sample:  5 mile stretch of Maui}}

• ^{Population: Maui
  _{Sample:  Number of traffic lights}}

• ^{Population: 5 mile stretch of Maui 
  _{Sample:  Maui}}

7.SP.1

• A

• B

• C

• D

Choose the true statement(s) about the census and sample shown.

• The sample could be considered too small.

• The sample is biased because is does not include everyone.

• The sample is representative of the population's sub-groups.

Identify the population and sample for each example.

• Population: Students

  Sample: Members of the football team

• Population: Members of the football team

  Sample: Students

• Population: Students

  Sample: Students that have had a broken bone

• Population: Members of the football team

  Sample: Members of the football team that have broken a bone.

A group of objects about which information is to be gained

• Population

• Sample

• Average

• Null hypothesis