Ch.1 Exploring Data (Yates, Moore, Starnes)
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| 97426615 | variables | Any charateristics of an individual. A variable can take different values for different individuals | |
| 97426616 | categorical variable | Places an individual into one of several groups or categories | |
| 97426617 | quantitative variable | Numerical values for which arithmetic operations such as adding and averaging make sense | |
| 98528979 | distribution | Tells what values the variable takes and how often it takes these values | |
| 98528980 | outlier | An individual observation tht falls outside the overall pattern of the graph | |
| 98528981 | symmetric | The right and left sides of the histogram are approximately mirror images of each other | |
| 98528982 | relative cummulative frequency graph | Another name for an ogive | |
| 98528983 | exploratory data analysis | Uses graphs and numerical summaries to describe the variables in a data set and the relations among them | |
| 98528984 | median | The midpoint of a distribution | |
| 98528985 | interquartile range | The distance between the first and third quartiles | |
| 98528986 | five number summary | Consists of the smallest observation, quartile one, the median, quartile three, and the largest observation | |
| 98528987 | modified boxplot | Graph of the five number summary, with outliers plotted individually | |
| 98528988 | standard deviation | The square root of the variance. A measure of spread | |
| 98528989 | mean | The arithmetic average of the observations in a distribution | |
| 98528990 | data analysis | Methods and strategies for exploring, organizing, and describing data using graphs and numerical summaries | |
| 98528991 | center | The description of a distribution average | |
| 98528992 | histogram | A plot for quantitative data that groups cases into rectangles or bars | |
| 98528993 | spread | Variability of a distribution | |
| 98528994 | individuals | Objects described by a set of data | |
| 98528995 | range | A measure of spread that is the difference between maximum and minimum values in a distribution | |
| 98528996 | statistics | The studt of of the production, summarization, and analysis of data | |
| 98528997 | variability | The degree to which values in a distribution differ | |
| 98528998 | stem plot | A graphical display with steams showing the leftmost digit of the values separated from the leaves showing the next digit or set of digits | |
| 98528999 | variance | A measure of spread equal to the square of the standard deviation | |
| 98529000 | skewed distribution | Distribution that shows bunching at one end and a long tail stretching out in the opposite direction | |
| 98529001 | bar graph | A display that shows frequencies for categorical data | |
| 98529002 | skewed right | The right side of the histogram extends much farther out than the left side | |
| 98529003 | skewed left | The left side of the histogram extends much farther out than the right side | |
| 98529004 | unimodal | A distribution that has one peak | |
| 98529005 | bimodal | A distribution that has two peaks | |
| 98529006 | multimodal | A distribution that has three or more peaks | |
| 98529007 | seasonal variation | A pattern that repeats itself at regular time intervals |