Use the original price and the markup to find the retail price. original price: $140; markdown: 28%

The cost is $100.80

Step-by-step explanation:

100% = $140

72% = sale price

140 x 0.72 = $100.80

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.

b.my answer is b.

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