Over the years, a sushi restaurant has had a mean customer satisfaction rating of 74.7 with a variance of 29.1. The owner has hired you to perform at hypothesis test to see if using a new menu will have any effect on the variance, o. To do so, you survey a random sample of 18 customers who ordered from the new menu. For the customers surveyed, the variance of ratings is 14.4. Under the assumption that the customer ratings using the new menu follow a normal distribution, you will perform a chi-square test. Find y, the value of the test statistic for your chi-square test. Round your answer to three or more decimal places. D Espaol