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Chapter 1!

Across
Study of procedure for collecting, describing, and drawing conclusions from information
Sample chosen by a method where each collection of the population is equally likely to make up the sample.
When assignments to treatment groups is not made by the investigator.
A study conducted by a procedure that tends to overestimate and underestimate the true value.
Study in which the investigator assigns the treatments to the experimental units at random.
A number that describes a sample
Study conducted by a procedure that produces the correct result on the average
Down
Sample that is not drawn by a well-defined random method.
What is measured on each experimental unit
Individuals that are studied
The entire collection of individuals about what information is sought.
A subset of a population, containing individuals that are actually observed.
Procedures applied to each experimental unit.
Neither the investigator nor the subjects know who has been assigned to which treatment.
Number that describes a population
When experimental units are people, these are called