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15 Cards in this Set
- Front
- Back
What does Variability describe?
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Variability describes that successive iterations of a system or phenomenon do not produce exactly the same result.
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What are sources of variability?
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Things that can change the end result.
ex: Tire wear and octane both effect MPG |
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Statistical Inference takes reasoning from a ____ and applies it to a ____.
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Sample to a Population
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A ______ is a variation of the basic factorial arrangement in which only a subset of the factor combination are actually tested.
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Fractional factorial arrangement
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Overcontrol explains what?
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Adjustments to a system based on a single observation can actually increase the systems variation.
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What is probability?
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The model of uncertainty in the real world, because the real world is not deterministic
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What is the term used to describe how randomness is presented?
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Statistics
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What is a sample space?
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A set of all possible outcomes of a statistical experiment.
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What 3 names can be used to describe each outcome in a sample space?
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* An Element
* A Member * A Sample Point |
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A subset of a sample space is also referred to as ___?
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An Event
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If the intersection of 2 events is a null set, we say the two events are _______ or ____.
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Mutually exclusive
Disjoint |
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if L = {1,2,3} and E = {4,5,6}, and B = {1,2,3,4,5,6}, B is the ____ or L and E.
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Union ( U )
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When samples come from the same set and you are trying to figure out how many combinations of order are possible for the set, this is an example of _____.
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Permutation
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___ is an ordering or arrangement of all or part of a set.
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Permutation
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What is the difference between a combination and permutation?
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In a Combination, order DOESN'T matter.
In a Permutation, order DOES matter. |