Populations and Sampling

In determining population this type of observation would have you counting nests or signs of an organism.

• indirect

• direct

• sampling

• mark and recapture

The largest population an area can support is called its...

• carrying capacity

• limited factor

• adaptation

• biotic factor

Tags

NGSS.MS-LS2-4

True or False: In Sampling a population, a Scientist only counts some of the organisms and makes an estimate of the amount of organisms.

• True

• False

In order to understand how many individuals live in a certain area you need to know this.

• population

• population density

• predatory organisms

• community

Population or Sample?

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

• Population

• Sample

Population or Sample?

A factory overseer selects 40 threaded rods at random from those produced that week at the factory, then she tests their tensile strength.

• Population

• Sample

A beverage company wanted to see if people in the United States liked their new logo.
Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different shoppers from different states.

• 3,800 children age 5-15

Complete the definition:

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

• Statistics

• Number

• People

• Population

• Pueblo

Population or Sample?

A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

• Population

• Sample

Population or Sample?

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

• Population

• Sample