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DSST Intro To Statistics
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DSST Intro To Statistics
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25 Questions

1. Involves the procedures associated with the data collection process - the summarizing and interpretation of data - and the drawing of inferences or conclusions based on the analysis of the data

2. One extreme value can affect it dramatically.

3. Occur when one does not affect the probability of the occurrence of the other.

4. _______________ are numerical measurements that can assume any value between two numbers

5. A descriptive tool used to visually describe the characteristics and relationships of collections of data quickly and attractively

6. An individual data value which lies far (above or below) from most or all of the other data values within a distribution

7. To divide the population into 2 or more non-overlapping subsets called strata

8. The variable value can be represented as isolated points on a number line

9. Always use a equal symbol

10. Before they are arranged or analyzed - information or observations are called________.

11. Alternative hypothesis

12. The number of times each data value occurs

13. A method of data collection in which the objects of study are observed in their natural settings and the variables are recorded

14. Mean - mode - median and midrange.

15. A collection of individuals about which we want to draw conclusions

16. An efficient method of graphing information using actual amounts: clusters - gaps - outliers are clearly identified.

17. Has the same shape and horizontal scale as a histogram - but the vertical scale is marked with relative frequencies instead of actual frequencies

18. Collection of information from the whole population

19. Is a collection of several data pertaining to one or more variables

20. Sample standard deviation

21. Standard scores and percentile

22. Is a number that describes a characteristic of a population

23. A number that is used to describe a characteristic of a sample - such as a sample average - is called a __________.

24. Uses numerical and or visual techniques to summarize or describe the data in a clear effective manner

25. Sample size or number of trials