Unit 6 Vocab List

3. each member of the population has an equally likely chance for being selected
6. supposed to show how the values in the data set are distributed
8. the average of the numbers
9. the middle value of a set of numbers
11. all the intervals have approximately equal frequencies
14. no correlation is show (points show no trend)
15. a relationship between two events where one event is affected by the other
16. the population is divided into random subgroups, so that each population member is in only one group
19. biggest number on the list
20. the median of the lower half of a data set
24. a representation, either in a graphical or tabular format, that displays the number of observations within a given interval.
26. smallest number on the list
28. making a conjecture based on several observations
30. a gathering of a sample of data or opinions considered to be representative of a whole
33. an example that opposes or contradicts an idea or theory.
34. mean,median,mode
36. a sample that consists of a member of a specific group
38. interval or group of intervals that contains the greatest frequencies is near one end

1. a piece of data that is very far away from the other values in the data set
2. a type of bar graph that displays frequencies
4. a complete group
5. diagrams made of overlapping circles that is used to show relationships between groups
7. a histogram whose vertical axis shows the fraction or percent of the data values in each interval
10. the number you get after subtracting Q1 from Q3
12. a sample that is chosen so that it is easy for the researcher
13. using an ordered pair of the population, then selecting members systematically from that list
17. a guess based on past experiences
18. when one data set decreases as the other one increased
21. part of a group
22. a table showing how often something happens divided by all outcomes
23. two distinct intervals or groups of intervals that contain the greatest frequencies
25. a survey that includes every member of a population
27. a sample that over or under-represents a part of the population
29. the median of the upper half of a data set
31. approximately symmetrical about a line passing through the interval or between the intervals with the greatest frequencies
32. when both data sets are increasing
35. a statistical measure that expresses the extent to which two variables are linearly related
37. the number occurring the most