The average annual food expense per family in a small city was $400 in 2012. Based on annual statistics, the standard deviation of food expenses is $145 over a long period of time. A random sample of 49 families was selected and their expenses for 2013 had a mean of $445. The local government wants to test if the average annual expenses on food had increased from the 2012 average allowing for type I error of 5%. After calculating the appropriate test, what can you conclude