AP Statistics - Chapter 4 Vocabulary

What is a set of observations selected from a population, usually intended to represent the population in a research study?

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

CCSS.HSS.IC.B.5

A sample in which individuals were chosen who are easiest to reach is called?

• convenience sample

• simple random sample

• census

• voluntary response sample

• a

A sample where n individuals are selected from a population in a way that every possible combination of n individuals is equally likely is called?

• convenience sample

• simple random sample

• census

• voluntary response sample

• a

We call the distribution of values taken by the statistic in all possible samples of the same size from the same population what?

What do we call the tendency of a sample statistic to over- or under-estimate the value of a population parameter?

The sampling design where individuals can choose on their own whether to participate in the sample is called ______.

• census

• voluntary response

• convenience sample

• stratified random sample

A sample design that breaks a population into groups and then takes a SRS to determine the group to include in the sample, including everyone from the selected group is called a ___________.

• stratified random sample

• simple random sample

• cluster sample

• completely randomized

_____ occurs when some groups in the population are left out of the process of choosing the sample.

• confounding

• nonresponse bias

• response bias

• undercoverage

Bias introduced to a sample when a large fraction of those sampled fails to respond is called _______.

• undercoverage

• response bias

• nonresponse bias

• confounding

Anything in a survey design that influences responses is called _______. (Choose the best answer)

• response bias

• wording bias

• confounding

• undercoverage