Statistics

4. a count or measure of an entire pop.
8. very important statistical data distribution pattern occurring in many natural phenomena
9. the average of the numbers: a calculated "central" value of a set of numbers. To calculate: Just add up all the numbers, then divide by how many numbers there are.
13. a subset of a population
14. one in which every member of the pop has an equal chance of being selected
16. a treatment is applied to part of a population and responses are observed
17. involves using sample to draw conclusions about a population
19. a sampling technique used when "natural" but relatively heterogeneous groupings are evident in a statistical population
20. the use of a mathematical or physical model to reproduce the conditions of a situation or process

1. a sample in which each member of the pop is assigned a number.
2. involves using sample to draw conclusions about a population
3. the sum of upper and lower limits of the class divided by 2
5. a sample in which every possible sample of the same size has the same chance of being selected.
6. the collection of all outcomes, responses, measurements, or counts that are of interest
7. a quantity calculated to indicate the extent of deviation for a group as a whole.
10. a numerical description of a population characteristics
11. an investigation of one or more characteristics of a pop
12. the science of collecting, organizing, analyzing, and interpreting data in order to make decisions
15. involves the organization, summarization, and display data
18. consists of information coming from observations, counts, measurements, or responses