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1. Describe the use of sensitivity analysis and postoptimality analysis in analyzing the results.
2. Describe the characteristics of a Bernoulli process. How is a Bernoulli process associated with the binomial distribution?
3. What is the purpose of decision trees? How are they constructed?
4. What is the overall purpose of utility theory? Explain using an example.
5. Explain simple linear regression. What are the potential pitfalls of regression analysis?
Using this test 80% of Down's syndrome cases can be identified at birth, while 5% of normals are detected as positive. a. What is the sensitivity and specificity of the test?
Determine the conditions under which you would use a discrete probability distribution rather than a continuous probability distribution. Provide one (1) example to illustrate your reasoning.
Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.
A researcher has reason to believe that, for an experiment with 50 points, a 95% prediction interval would be of width 4. If the researcher wishes to run a more precise experiment that will result in a 95% prediction interval of width 2, then the ..
In your own words, define epistemology and ontology. Why are these concepts important to the study of research? How might the concepts influence your future research?
Testing for Population mean - Based on this sample evidence, is Joan's supervisor correct? Use a = .05.
Determine a 90% confidence interval for the mean weight of all university male first-year students.
The new independent variable improves the predictive power of the regression model.
Millie and Senta Meter have recently taken Pre and Post test in achievement. The test were normally distributed. Millie's percentile rank changed from 57.93 to 77.34. Senta's changed from 1.07 to 4.95.
The measure of forecast accuracy that is not influenced by the measurement scale of the time series data is:
Research question: Are the mean crash damages the same for these three vehicles?
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
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