The data below represents the number of runners on each cross country team in the Northern Conference. \qquad12,15,15,17,19,19,20,22,2412, 15,15,17,19,19,20,22,2412, comma, 15, comma, 15, comma, 17, comma, 19, comma, 19, comma, 20, comma, 22, comma, 24

Which box plot correctly summarizes the data?

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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.