Type-II-Error ( b Error ) |
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Failing to reject the null-hypothesis when it is false. |
Trial |
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A procedure or an experiment to collect any statistical data. |
Upper Quartile (Q3) |
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The 75th percentile of the set of observation. |
Unbiased Estimator |
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The expected value of statistic which is equal to the corresponding population parameter. |
Variable |
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As observed characteristic of phenomenon which is to be studied. |
Variance |
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The square of the standard deviation of the score about the mean distribution. |
Z-score |
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The standardized normal variates which are obtained by subtracting the mean and dividing by the standard deviation. |