STAT 3704 Real Exam Questions And Correct Detailed Answers.
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Grado
COM 3704
Institución
COM 3704
The engineering method - correct answer 1. Define a problem
2. Postulate important factors that affect the problem
3. Formulate a working model
4. Collect data
5. Estimate the working model
6. Determine important factors and test model's adequacy
...
The engineering method - correct answer 1. Define a problem
2. Postulate important factors that affect the problem
3. Formulate a working model
4. Collect data
5. Estimate the working model
6. Determine important factors and test model's adequacy
7. Revise the model
8. Collect additional data
9. If model doesn't fit solution return to step 2
Statistical uncertainty - correct answer Always present. Caused by inherently
unpredictable fluctuations in the readings of a measurement apparatus or interpretation.
Systemic uncertainty - correct answer Caused by imperfect calibrations,
imperfect methods of observations, or interference of the environment, etc. Affects results in a
predictable direction.
Deterministic model - correct answer Do not explain variability. (example:
V=IR)
Probabilistic (statistical) model - correct answer Formally takes into account
random variations from the values given by the deterministic model.
Population - correct answer Set of all possible observations of interest to the
problem at hand.
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