Confidence Intervals Review for Test

The population in a study is...

• a small group of individuals we want information about

• the entire group of individuals we want information about

• randomly chosen people

• all of the above

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A census...

• collects data from every individual in the population

• collects data from a sample of people in the population

• collects data from the most convenient people

• collects data from people who voluntarily respond

Tags

CCSS.HSS.IC.B.3

A sample is...

• All of the members in the population

• some people

• A subset of individuals in the population

• a bite of food you get given to you at the mall food court

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

When selecting a random sample, you must include all of the following EXCEPT which statement?

• Give each individual in the population a random number

• Use a random number generator to obtain __ unique numbers from 1 to __.

• Give each individual in the population a unique number from 1 to __.

• Choose the individuals for the sample that correspond to the randomly selected numbers.

Tags

CCSS.HSS.IC.B.3

Convenience Sampling

• occurs when an individual chosen for the sample can't be contacted or refuses to participate.

• occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

• allows people to choose to be included in the sample

• selects individuals from the population who are easy to reach

Tags

CCSS.HSS.IC.B.3

Undercoverage

• occurs when an individual chosen for the sample can't be contacted or refuses to participate.

• occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

• allows people to choose to be included in the sample

• selects individuals from the population who are easy to reach

Tags

CCSS.HSS.IC.B.3

Nonresponse

• occurs when an individual chosen for the sample can't be contacted or refuses to participate.

• occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

• allows people to choose to be included in the sample

• selects individuals from the population who are easy to reach

Tags

CCSS.HSS.IC.B.3

Nonresponse

• occurs when an individual chosen for the sample can't be contacted or refuses to participate.

• occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

• allows people to choose to be included in the sample

• selects individuals from the population who are easy to reach

Tags

CCSS.HSS.IC.B.3

Voluntary Response Sampling

• occurs when an individual chosen for the sample can't be contacted or refuses to participate.

• occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

• allows people to choose to be included in the sample

• selects individuals from the population who are easy to reach

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Sampling variability refers to the fact that different _______ of the same size from the same population produce different estimates.