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10 Cards in this Set
- Front
- Back
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Range
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highest score minus lowest score
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inclusive range
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higest score minus lowest score adding one
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standard deviation
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SD mean of all the devations
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Variance
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SD squared
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Normal curve
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34% = 68% 1 SD
13.5 = 95% 2SD 2% =99% 3 SD |
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Percentile
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value below which a specified percentage of cases falls
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Stanine
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standard nine, converts a distribution into nine parts with 5 middle and SD 2
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Standardized scores
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common language
covert raw score distribution distance from the mean SD z-scores Tscore |
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z-scores
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mean is 0 SD is 1
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T score
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mean 50 sd 10 negative scores are eliminated
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