A local bottler in Hawaii wishes to ensure that an average o

A local bottler in Hawaii wishes to ensure that an average of 16 ounces of passion fruit juice is used to fill each bottle. In order to analyze the accuracy of the bottling process, he takes a random sample of 72 bottles. The mean weight of the passion fruit juice in the sample is 15.81 ounces. Assume that the population standard deviation is 1.31 ounce. with a null and alternative hypothesis of: H₀: = 16; H_A: 16

A) Calculate the value of the test statistic

B) Find the critical value

Solution