# Chapter 1 Quiz

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1. Statistics
Science of collecting, Organizing, analyzing, and interpreting data in order to make conclusions.
2. Data
• Information that is collected
• i.e. measurements, counts, responses, and observations
3. Population vs Sample
All vs Some; sample is a subset of population
4. Parameter
numerical description of a population characteristic
5. Statistic
numerical description of a sample characteristic
6. Descriptive statistics
summarizes and diplays the findings
7. Inferential Statistics
conclusions based on descriptive statistics
8. Qualitative
labels, names, qualities, attributes
9. Quantitative
numerical measures and counts
10. nominal
Qualitative data; includes names, attributes, etc. No meaningful calculations can be made
11. ordinal
Qualitative or Quantitative; can order or rank data; no meaningful calculations can be made
12. interval
Quantitative data; zero is not an inherent zero, only a position on a scale. Meaningful differences can be found.
13. ratio
Quantitative data; zero is an inherent zero; values below zero wouldn't make sense to discuss.  Meaningful ratios and/or differences can be found.
14. Survey
collecting responses
15. observation
observe; do not change any existing conditions
16. experiment
conditions are changed in some way, or treatment is applied.
17. blinding experiment
those a part of the study don't know what group they are in.
18. Double Blind
individuals don't know what group they are in, and experimenter doesn't know either.  (however, someone does have to know)
19. simulation
used when it is too dangerous, costly, or impossible t use a different method.
20. Random
no rules, just randomly pick a sample.
21. systematic
pick every nth individual/object to create sample
22. convenience
out of convenience, o to one location and collect information to use as sample
23. cluster
pick one or more subgroup, but not all and collect all info from the subgroup(s) to create the sample.
24. stratified
collect some info from all subgroups in order to create a sample.

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 Author: Anonymous ID: 293979 Filename: Chapter 1 Quiz Updated: 2015-01-27 02:31:21 Tags: Math1040 Statistics Folders: Stats Description: Statistics Chapter 1 Quiz Show Answers:

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