BLUE DOG TRAINING
DEFINITIONS LIBRARY
QUALITY ASSURANCE & RELIABILITY
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| ERROR OF THE FIRST KIND |
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The error committed in rejecting the null hypothesis (because the statistic takes a value within the critical region), when the null hypothesis is true. Note: This is often referred to as a type 1 error. [1: 2.75]
| ERROR OF THE SECOND KIND |
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The error of not rejecting (accepting) the null hypothesis (because the value of the statistic falls outside the critical region), when the null hypothesis is not true. Note: This is often referred to as a type II error. [ 1: 2.77]
The operation of assigning, from the observations in a sample, numerical values to the parameters of a distribution chosen as the statistical model of the population from which this sample is taken. Note: A result of this operation may be expressed as a single value or as an interval estimate. [1: 2.49]
A statistic used to estimate a population parameter. [1: 2.50]