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8 Cards in this Set

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 What is the mean? It provides a measure of central location for the data What is the median? It is the value in the middle when the data are arranged in ascending order What is the mode? It is the value that occurs with the greatest frequency. What is a percentile? The Pth percentile is a value such as least p per cent of the observations are less than or equal to this value and or at least (100-p) per cent of the observations are greater than or equal to this value. What is a quartile? Shows data distribution divided into four parts. What is range? The difference between the largest and smallest value. What is variance? It is the difference between the value of each data and the mean. What is standard deviation? The positive square root of variance.