# Stats Final

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1. Trimmed Mean
Removing the top and bottom 5%
2. Type II Error
Not rejecting the null hypothesis when false
3. Type I error
Rejecting the null hypothesis when it is true
4. Independent Group
Samples from different groups that has no relationship between the people or objects in the different groups
5. Lurking Variable
Variable that affects the response you are studying but is not included in your analysis
6. Standard Error
How much the sample means vary in repeated samples of the same size from the same population
7. Alternative Hypothesis
Situation in which is null hypothesis is false
8. Levene Test, t-test p-value <0.05
Examine the t-test results with equal variances not assume
9. Levene Test, t-test p-value >0.05
Examine the t-test results with equal variances assumed
10. Sampling Distribution
One distribution randomly selected from many possible distributions
11. Constant Variance
Another way of saying that the population variance is the same for all cells
12. Sample
Subset of a population
13. Parameter
Some numeric characteristics of a population such as the mean
14. Independent
Menas that knowing the value of one of the variables for a case tells you nothing abut the value of another variable
15. Least-Square Regression Line
Means that of all the possible lines that can be drawn on the plot, line B has the smallest sum of squared vertical distances between the points and the line
 Author: echeng ID: 120843 Card Set: Stats Final Updated: 2011-12-06 23:06:52 Tags: Quantitative Methods Final Folders: Description: Vocabulary for final for quantitative methods Show Answers: