E.S. First Semester Vocabulary Ch.2

1. The relative arrangement of the members of a statistical population; usually shown in a graph.
2. The group of individuals or events selected to represent a statistical population.
3. In an experiment, a group that serves as a standard of comparison with another group to which the experimental group is identical except for one factor.
5. The likelihood that a possible future event will occur in any given instance of the event; the mathematical ratio of the number of times one outcome of any event is likely to occur to the number of possible outcomes of the event.
7. A verbal of graphical explanation for how a system works or is organized.
8. A testable idea or explanation that leads to scientific investigation.
10. In an experiment, a group that serves as a standard of comparison with another group to which the experimental group is identical except for one factor.
13. The process of obtaining information by using the senses; the information obtained by using the senses.
16. Any pieces of information acquired through observation or experimentation
17. A principle or standard that an individual considers to be important.

1. A conceptual model that provides a systematic process for making decisions.
4. The probability of an unwanted outcome.
6. A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.
9. A statement made in advance that expresses the results that will be obtained from testing a hypothesis if the hypothesis is supported; the expected outcome if a hypothesis is accurate.
11. A procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth.
12. The number obtained by adding up the data for a given characteristic and dividing this sum by the number of individuals.
14. The collection and classification of data that is in the form of numbers.
15. A factor that changes in an experiment in order to test a hypothesis.