statistics - the process of collecting, organizing and interpreting data, statistical question - a question that has many different, or variable answers, dot plot - a visual display in which each piece of data is represented by a dot above a number line, frequency - the number of times the data value occurs in a data set, histogram - a type of bar graph whos bars represent the frequencies within intervals, intervals - a set of numbers between two given numbers, measure of center - a single number used to describe or summarize a data set. Example: mean, median or mode, mean - the average of a data set is the sum of the data divided by the number of data values in the set, median - The middle value of an ordered data set, mode - the data value that occurs most often, box plot - a display that shows how the values in a data set are distributed or spread out., lower quartile - the median of the lower half of the data, upper quartile - the median of the upper half of the data, measure of variability - a single number that describes the spread of a data set. Examples.. range and IQR, range - the difference between the greatest value and the smallest value, interquartile range (IQR) - the difference of the upper quartile and the lower quartile (the size of the box),

EOG Review: Data and Statistics

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