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10 Cards in this Set

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