Population Sample Census

In which situation below would a census be a good idea?

• To find exact information about the population of a country

• To get a general idea of the type of games people like

• To find out what type of food cats prefer

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

The entire set of items (who or what) from which data can be selected

• survey

• parameter

• population

• sample

Population or Sample?

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

• Population

• Sample

The sample represents the population.

Choose the answer that says "Representative Sample"

• Random Sample

• Biased Sample

• Representative Sample

The sample represents the population.

Choose the answer that says "Representative Sample"

• Random Sample

• Biased Sample

• Representative Sample

There are 45 people working in a particular building. A survey on dietary habits is conducted by giving every third person in the building a questionnaire to fill out. From the questionnaire, the researcher obtains a score on the dietary habits of the 15 people.What is the number of members in the population?

Mathematical Equivalence

ON

A sample should be

• representative of  only middle school students only

• a very large group

• representative of the population

• representative of people who volunteer

There are 45 people working in a particular building. A survey on dietary habits is conducted by giving every third person in the building a questionnaire to fill out. From the questionnaire, the researcher obtains a score on the dietary habits of the 15 people.What is the number of members in the population?

Mathematical Equivalence

ON

Population or Sample?

The average weight of every person entering the mall within 3 hour period was 146 lb.

• Population

• Sample