Stats Vocabulary

The set of all people or objects whose properties are to be described and analyzed by the data collector.

• population

• sample

• random sample

• representative sample

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A subset or subgroup of the population.

• population

• sample

• random sample

• representative sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A sample obtained in such a way that every element in the population has an equal chance of being selected for the sample.

• population

• sample

• random sample

• representative sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population is...

• every single person

• a group of people

• 1 out of every 100 people

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CCSS.HSS.IC.A.1

A sample is...

• a group of people within a population

• every single person

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

An Observational Study is...

• randomly assigned groups split into an experimental and control group

• Asking a sample of people to respond to questions

• a census

• measure/observe members in a group  

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A survey is...

• Asking a sample of people to respond to questions

• a census

• randomly assigned groups split into an experimental and control group

• measure/observe members in a group  

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is the definition of a random sample?

• All the members of a population are equally likely to be chosen.

• Order the population in some way.  Then select it using regular intervals.

• Select any members of the population who are conveniently and readily

  available.

• Select only members of the population who volunteer.

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What is the definition of a Systematic Sample?

• All the members of a population are equally likely to be chosen.

• Order the population in some way.  Then select it using regular intervals.

•  Select any members of the population who are conveniently and readily

  available.

• Select only members of the population who volunteer.

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CCSS.HSS.IC.B.3

The definition of a Convenience Sample is...

• All the members of a population are equally likely to be chosen.

•  Order the population in some way.  Then select it using regular intervals.

•  Select any members of the population who are conveniently and readily

•   Select only members of the population who volunteer.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1