A product costs $90 today. How much will the product cost in t days if the price is reduced by

(a) $3 a day

(b) 7% a day

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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answer: i think it is (1,-2)

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