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15389714211statistical significancea statistical statement of how likely it is that an obtained result occurred by chance0
15389714212normal curve (normal distribution)symmetrical, bell shaped curve that describes distribution of many data types; most scores fall near the mean1
15389714213standard deviationa computed measure of how much scores vary around the mean score2
15389714214rangedifference between highest and lowest scores3
15389714215medianthe middle score in a distribution; half of scores above, half below4
15389714216meanarithmetic average of a distribution, obtained by adding scores and dividing by number of scores5
15389714217modethe most frequently occurring score(s) in a distribution6

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