Algebra Vocab

3. numeral description of a sample characteristics
6. distribution a function that gives the probability of each possible value of a random variable
8. a claim about a characteristic of a population
10. sample a population is divided into smaller groups that share a similar characteristic
12. an investigation of one or more characteristics of a population
13. sample only members of a population who are easy to reach are selected
16. normal distribution with mean 0 and standard deviation
17. curve symmetric about the mean
19. an error that results in a misrepresentation of a population
20. sample each memeber of a population has an equal chance of being selected
23. subset of a population
24. is the collection of data
25. numerical description of a population characteristics

1. sample representative of the population that you want information about
2. sample a population is divided into groups called
4. sample members of a population can volunteer to be in the sample
5. model to reproduce the conditions of a situation or process so that the simulated outcomes closely match the real word outcomes
7. sample overrepresents or under-represents part of the population
9. question questions that are flawed in a way that leads to inaccurate results
11. variable vaule is determined by the outcome of a probability experiment
14. z-value for a particular x-value
15. sample a rule is used to select members of a population
18. study observes individuals and measures variables without controlling the individuals on their environment
21. distribution a bell shaped curved
22. imposes a treatment on individuals in order to collect data on their reponse