AP Flashcards

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