15389714211 | statistical significance | a statistical statement of how likely it is that an obtained result occurred by chance | 0 | |
15389714212 | normal curve (normal distribution) | symmetrical, bell shaped curve that describes distribution of many data types; most scores fall near the mean | 1 | |
15389714213 | standard deviation | a computed measure of how much scores vary around the mean score | 2 | |
15389714214 | range | difference between highest and lowest scores | 3 | |
15389714215 | median | the middle score in a distribution; half of scores above, half below | 4 | |
15389714216 | mean | arithmetic average of a distribution, obtained by adding scores and dividing by number of scores | 5 | |
15389714217 | mode | the most frequently occurring score(s) in a distribution | 6 |
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