Algebra 2

4. Members of a population can volunteer to be in a sample.
6. Found by adding all numbers in a data set and dividing by number of values in the data set.
7. When a rule is used to select members of a population.
8. Represenatives of a larger population used for statsitcs.
9. A number close enough to another to be used in calculations.
10. Taking data, dividing it up and grouping similar data for efficiency.
11. Deceibes how values are distributed in a field.
13. Every member of a sample is asked questions.
14. An error that results in misrepresentation of a population.
15. Only members of a population who are easy to reach are selected.
18. A population is divided into groups called clusters all members are in or more clusters.
19. The amount of people in the population that are usually singled out for something.
21. Preferred method of sampling a population.
22. imposes a treatment.

1. 99.7% 95% 68%.
2. A graph that uses rectangles to show data.
3. Observe without controlling.
5. The general population of a statistic.
7. Uses a model to reproduce conditions of a process.
8. A population is divided into smaller groups called clusters then a sample is randomly selected from each group.
12. A measure of the amount of variation of a set of values.
16. A piece of data from a larger set of numerical Data.
17. The total of a group you get.
20. A value’s relation to the mean of a group of values.