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Statistics Review
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Statistics Review
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25 Questions

1. Assumptions/Wrong

2.
General topic narrowed down to specific topics

3. If experiment looks like it's measures what it is supposed to measure (right); checked with experts in field

4. ...

5. Average (squared)2 difference from mean

6. 2 independent studies to see if they correlate; Ex: anxiety & depression (Not Causation)

7. Statistic; Variable; (x, s)

8. No control group; pre-experiment

9. 'Simplest Solution tends to be the best one'; Ex of Parsimony

10. Random Assignment

11. Info accepted as true/ Always have; 'Can't teach dogs new tricks'

12. Changes in measurements due to changes in calibration of measuring instrument or in observers/scorers (Different rater & rater style; Change measures from Pre-test to Post-test)

13. Convenient, Quota, Purpose, Snowball

14.
This is

15. Success of Measurements; Problem: Learned from first test (Parallel tests, Change wording)

16. Same point in time

17. Mean, Median are the same; 2 Different Modes

18.
Evaluate mean difference between 2 populations; Purpose: Split different types of variance

19. Have a topic not yet confirmed; educated guess for the outcome; Design an experiment to test the assumption (Must be Testable)

20. Error, Deviate, Residuals (Average = Expected Value)

21.
Ho = u1 - u2 = 0;
(1) Find df
(2) Find Sp
(3) Find t Value
(4) Define Critical Region
(5) Reject/Fail to Reject

22. Generalizability

23. (Independent Variable) Same population; Control Groups [Ex: Male vs. Female; Treatment vs. Control]

24. Math test today vs. Math test Tomorrow (Test; Retest)

25. Conditions of study different from real world; People know in study and React differently (Being Watched)

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