Draw a histogram for the intervals 4-6, 7-9, 10-12, and 13-15 using the following data: 8, 9, 5, 14, 5, 14, 15, 7, 13, 6, 4, 10, 6, 6, 7, 5, 5, 12, 9, 8

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.