You want to get a higher satisfaction rating for the restaurant so you implement some staff changes and bonuses to encourage the staff to better enhance customer satisfaction. As a result a sample of 230 customers showed an average rating of 68 with a standard deviation of 19. a) At the .01 level did the restaurant get a higher satisfaction rating? (p = 0) b) Interpret the p-value c) Based on the results of a) would continue to implement these changes? Explain d) What is the only type of error that could have occurred