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Creado por Ash Srivastava
hace casi 5 años
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Pregunta | Respuesta |
Mean | total score divided by score number / measure of central tendency |
mode | most frequent score / measure of central tendency |
median | middle number / measure of central tendency |
central tendency | describes the way in which a group of data revolves around a central value |
range | largest - smallest |
IQR | upper quartile - lower quartile |
z score | score - mean divided by SD tells us the number of standard deviations above and below the mean value |
Std error | SD divided by the square root of n / measures the accuracy with which a sample distribution represents a population by using standard deviation |
degrees of freedon | (paired samples) df = n - 1 (independent) df = n1+n2-2 or (n1-1)+(n2-1) / number of independent pieces of information that remain after estimating one or more parameters |
standard deviation | spread of scores across the mean of a sample - measure of dispersion within a set of data MEASURE OF DISPERSION AROUND THE MEAN |
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