Select the correct answer.
Which data set has the greatest spread for the middle 50% of its data?

A. {18, 13, 22, 17, 21, 24}

B. {17, 19, 22, 26, 17, 14}

C. {13, 17, 12, 21, 18, 20}

D. {18, 21, 16, 22, 24, 15}

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =