6. amy bought some used books for $4.95. she paid $0.50 each for some books and $0.35 each for the others. she bought fewer than 8 books at each price. how many books did amy buy? how many cost $0.50? show your

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

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yes yes yes