Need help with this question. Thank you.

Q2. (a) A study of firefighters in a large urban area centered on the physical fitness of the engineers employed by the fire department. To measure the fitness, a physical therapist sampled five engineers each with 5, 10, and 15 years' experience with the department. The number of push-ups, y, that each person could do in 60 seconds are recorded below. You are given that >y =43,213. Time with Department (Years) 5 10 15 56 64 45 55 61 46 62 50 45 59 57 39 60 55 43 Ti = 292 T2 =287 T3 = 218 Use 0.01 significance level, determine whether there are differences in the physical fitness of engineers by time with the department. (8 marks)