AP Stats-Chapter 2 Flashcards
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| 5794983733 | percentile | the percent of the distribution that is below the value of that observation | 0 | |
| 5794987009 | z-score | a standardized score in which x is an observation from a distribution that has a known mean and standard deviation | 1 | |
| 5794994295 | ogive | cumulative relative frequency graph | 2 | |
| 5795004004 | density curve | a curve that is always on or above the horizontal axis and has area exactly 1 underneath it. | 3 | |
| 5795009164 | Normal distribution | describes a bell-shaped, symmetric density curve with a mean of mu and standard deviations of sigma | 4 | |
| 5795013527 | 68-95-99.7 Rule | all normal distributions obey this rule which describes what percent of observations lie within one, two and three standard deviations of the mean. | 5 | |
| 7147655021 | standard Normal distribution | describes a bell-shaped symmetric density curve with a mean of 0 and standard deviation of 1. | 6 |