Data Statistics Vocabulary Review

A ___ is a small portion of the population used to gather data from.

• Systematic Sampling Method
• Sample
• Population
• Bias

A ___ is a large group that includes everything being studied.

• Sample
• Stratified Sampling Method
• Population
• Voluntary-Response

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

True or False:

All samples lead to a good prediction about the entire population.

• True

• False

The population describes:

• The group of people, objects or events being surveyed
• a part of the group being surveyed
• the whole world
• the school

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Biased Sample

A newspaper randomly chooses 100 names from its subscriber list and then surveys those subscribers to find out if they read the sports section. This sample is ........

• unbiased

• biased

All seniors at Cedar Bluff School is an example of

• a sample

• a population

• an outlier

The entire group of objects or individuals considered for a survey is called a _________________________

• outlier

• population

• sample

The entire set of people or objects that is being studied.

• Population
• Sample
• Sampling Plan
• Data Point