Question

3) Hypothesis Testing: Means 1 sample A coffee house owner knows that customers pour different amounts of coffee into their cups She samples cups from 10 customers , assume representative of her customers. She weighs the cups (which are 16 oz in size) data = { 16, 10, 12.3, 8.5, 16.1, 13, 15.3, 12.5, 12, 16 }

She believes the mean to be 12.5 oz Assuming this is a random sample of all cups of coffee, is there significant evidence that the coffee house owner is wrong; that the mean is higher? Test at the 0.10 significance level

Answer 1