The number of individuals in a sample. It determines how well the sample represents the population, not the fraction of the population sampled.

,__________________ are values calculated for sampled data.

Bias introduced to a sample when individuals can choose on their own whether to participate in the sample.

Comparing subjects who are similar in ways not under study to reduce unwanted variation.

When individuals associated with an experiment are not aware of how subjects have been allocated to treatment groups.

When the levels of one factor are associated with the levels of another factor in such a way that their effects cannot be separated.

A list of individuals from whom the sample is drawn.

A treatment known to have no effect, administered to one group to compare with other treatments.

A sample is said to be __________________ if the statistics computed from it accurately reflect the corresponding population parameters.

The specific values or conditions of a factor in an experiment.

A ___________________ consists of the individuals who are conveniently available.

A component uses equally likely random digits to model simple random occurrences whose outcomes may not be equally likely.

The experimental units assigned to a baseline treatment level for comparison.