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ST 411/511, D. Schafer, , Winter 1999, Open-book. 1 hr. 50 min.FINAL EXAM
NAME:______________________________________ STUDENT ID NO._______________________
A. (24 points) Write the letter corresponding to the term from the list at the bottom of the page that best matches
each of the following descriptions.
1. _____ In regression, the variable whose mean is to be described as a function of the explanatory variable.
2. _____ The type of confidence level to control if data snooping is used.
3. _____ A way to test whether the mean of y is zero when x is zero (in simple linear regression).
4. _____ The set of all hypothesized values of a parameter that, when tested, have two-sided p-values
greater than .05.
5. _____ A way to organize the calculations associated with an extra-sum-of-squares F-test.
6. _____ An observation that is thought to be far from its estimated mean.
.
7. _____ A robust and resistant alternative to the two-sample t-test.
8. _____ A method for estimating parameters so that the sum of squared residuals is minimized.
9. _____ The distribution of a test statistic over all possible ways the random assignment could
have turned out.
10. ____ The kind of study with which statistical statements of causation can be made.
11. ____ A term for the mean of a response variable as a function of an explanatory variable.
12. ____ An observation minus its estimated mean.
A. analysis-of-variance F-test B. analysis of variance table C. confounding variable
D. explanatory variable E. family-wise F. least squares
G. observational study H. outlier I. p-value
J. pair-wise K. randomization distribution L. randomized experiment
M. rank-sum test N. regression O. residual
P. resistance Q. response variable R. sampling distribution
S. signed-rank test T. t-test for equal means U. t-test for zero intercept
V. t-test for zero slope W. 95% confidence interval X. 95% prediction interval
