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| Values of one variable tend to occur with certain values of another variable; detected when the conditional distributions differ from the marginal distribution and from each other. |
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| systematically favors certain outcomes |
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data collected on two variables for each individual in a study.
Generally, any x vs y graph consists of bivariate data. |
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| When sampling from a Non-Normal (skewed) population, the sampling distribution of x bar is approximately Normal whenever teh sample is LARGE and RANDOM |
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| Conditional Distribution: |
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| the distribution of the values in a single row (for a single column) of a two-way table. |
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| A statistical tool for monitoring the input or output of a process. |
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(know formulas)
used to detect out-of-control signals in a control chart. |
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| A measure of the strength of the linear relationship between two quantitative variables. |
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| Distribution of a Variable: |
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A list of the possible values of a variable together with the frequency of each value.
(note. probabilities can be given instead of frequencies.) |
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Definition
| Predicting a Y value using a value of X that is outside of the range of X values used to obtain the regression equation. This prediction could be very far off. |
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