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 (a)   of the same size from the same population produce different estimates.