Mean - This is dividing the sum of all the values by the number of values in the data set., Quartiles - These are the score points which divide a distribution into four equal parts, Range - Is the difference between the Highest Value and the Lowest Value, Median - This is the value of the middle term in a data set that has been ranked in increasing order., Standard Deviation - Is the squared root of the variance, Deciles - These are the score points that divide a distribution into ten equal parts, Variability - Is the measure of the spread of a data set., Percentiles - These are the score points that divide a distribution into one hundred equal parts, Mode - Is the value that occurs with the highest frequency,

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