Chapter 11 Vocabulary

4. | divide the sample into two groups then compare the effects on the treated group to the control group.
6. | the difference between the third and first quartile.
9. | a measure of how much the value in a data set vary or derive.
10. | has fixed number of trials, each trial has two possible outcomes, they are independent, and the probability of each trial is constant.
11. | a way to display data that uses quartiles to display the center box and the minimum and maximum values to form the ____________.
12. | for every positive integer n, P0, P1, ... , are the numbers in the nth row of Pascals Triangle.
13. | sum of the data values over number of data values.
14. | order the population in some way, and then select from it at regular intervals.
16. | values separating the four parts.
17. | the most frequent occurring value.
19. | has a finite number of possible events, or value.
22. | compute probabilities.
25. | you measure or observe members of a sample in such a way they are not affected by the study.
26. | data set has two modes.

1. | part of a population.
2. | the difference between the greatest and least values.
3. | you ask every member of the sample a set of questions.
4. | any value in an interval of real numbers.
5. | a number between 0 to 100 that you can associate with a value x from data values.
7. | select only members of the population who volunteer for the sample.
8. | select any members of the population who are conveniently and readily available.
15. | data that varies randomly within the mean.
18. | range and interquartile range.
20. | all the members of a set.
21. | the square of the standard deviation.
23. | the middle value for an odd number of data values.
24. | all members of the population are equally likely to be chosen.