- /
20 QMB 3200 Final Exam Test Study Guide Questions and Answers (Verified Answers) 1.Treatments
: Different Levels of a factor
2.Response Variable
: Another word for the dependent variable of interest.
3.Factor
: Another word for the independent variable of interest.
4.Anova Table
: A table used to summarize the analysis of variance computations and
results. It contains columns showing the source of variation, the sum of squares, the degrees of freedom, the mean square, the F value(s), and the p-value(s). 1 / 3
- /
20 5.Analysis of Variance (ANOVA)
: can be used to test for equality of three or more population means
6.SSE
: Sum of squares due to error
7.SSTR
: Sum of squares due to treatments
8.Point Estimator
: Xbar1-Xbar2
9.Standard error of xbar1-xbar2 describes
: the variation in the sampling distrib- ution of the estimator
10.Z-test is used when : The population standard deviations are known 2 / 3
- /
20 11.Observational study
: no attempt is made to control the factors
12.Cause-and-Effect relationships
: are easier to establish in experimental stud- ies than in observational
studies 13.Experimental Study
: one or more factors are controlled so that data can be obtained
about how the factors influence the variables of interest 14.Experimental Units
: The objects of interest in the experiment.
15.Completely randomized design
: An experimental design in which the treat- ments are randomly
assigned to the experimental units.
16.Single-Factor Experiment
- / 3