Chapter 11 Vocabulary

1. for every positive integer n, P0, P1, ... , are the numbers in the nth row of Pascals Triangle.
4. sum of the data values over number of data values.
5. data set has two modes.
8. divide the sample into two groups then compare the effects on the treated group to the control group.
12. you ask every member of the sample a set of questions.
14. the square of the standard deviation.
16. select only members of the population who volunteer for the sample.
20. the most frequent occurring value.
21. has a finite number of possible events, or value.
23. data that varies randomly within the mean.
24. a number between 0 to 100 that you can associate with a value x from data values.

1. has fixed number of trials, each trial has two possible outcomes, they are independent, and the probability of each trial is constant.
2. the middle value for an odd number of data values.
3. all the members of a set.
6. the difference between the third and first quartile.
7. order the population in some way, and then select from it at regular intervals.
8. any value in an interval of real numbers.
9. the difference between the greatest and least values.
10. range and interquartile range.
11. values separating the four parts.
13. compute probabilities.
15. a way to display data that uses quartiles to display the center box and the minimum and maximum values to form the ____________.
16. part of a population.
17. you measure or observe members of a sample in such a way they are not affected by the study.
18. select any members of the population who are conveniently and readily available.
19. a measure of how much the value in a data set vary or derive.
22. all members of the population are equally likely to be chosen.