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Statistics Review (Final)
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Statistics Review (Final)
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25 Questions

1. Money,

2.
range/ # of classes

3. Sample Statistic

4. How to find quartiles?

5.
This is

6.
x̅

7. What are the levels of measurement?

8. How many quartiles are there?

9. What is the class width in this chart?

10. How to interpret standard deviation data?

11. What is standard deviation?

12. is the branch of statistics that involves the organization and display of data

13. Sample

Subset of a population
* part of a population

14. How is data classified?

15.
This is

16. Population Parameter

17. Population: Survey of all american households

Sample: 1866 of the american families were surveyed.

18. (Upper class limit + Lower class limit) / 2

Frequency polygon
OGIVE (cumulative frequency gram)

19.
x̅

274 -> xxx.x
274.5-> xxx.xx

Is reliable, but can be affected by an OUTLIER

20. 1. uniform
2. symmetrical (bell shape)
3. skew left (negative skew)
4. skew right (positive skew)

21. Sample Statistic

22. Qualitative And Quantitative | most repeated number | no mode
bimodal

Note: Political party with the most frequency will be the mode.

23.
x = midpoint
f= frequency of class
n= total # of frequencies

sigma (σ)= addition

24.
μ

25. names
places

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