Interquartile Range - middle half of the data that lies between the upper and lower quartiles, Stem and Leaf Plot - plot where each data value is split into a "leaf" (usually the last digit) and a "stem" (the other digits), Box Plot - graphically demonstrating the locality, spread and skewness groups of numerical data, Dot Plot - a graphical display of data using dotsA factor or piece of data, Mode - The number or numbers that occur most frequently, Histogram - a graphical representation of data points organized into user-specified ranges, Mean - Average, Median - The number in the middle or average of two middle numbers, Spread - how similar or varied the set of observed values are, Outlier - A value much greater or much less than the rest of the data set, Measures of Central Tendency - Mean, Median, Mode, Relative Frequency Table  - How often something happens divided by all outcomesow many times the value occurs, Variability - Variability is how spread out or closely clustered a set of data is, Percent Bar Graph - Graph that presents each part of categorical data as a percentage of the total., Range - difference between highest and lowest number,

Statistics Vocabulary

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