This data shows the number of employees' injuries reported in the first 50 days after a new device training session in each of the 4 production Plants of a certain company across the world. a) Assuming significance level of 0.05, is there any significant difference in the injuries reported between these 4 Plants? b) The manager is particully concerned about the results from Palnt 1 compared to plant 3. Is there evidence that the injury level at this Plant is significantly different from that of Plant 3? c) How will the manager know if the results of Plant 1 is sinificantly different from the other plants? Please explain. (Do the test or fully explain what would you do to find out if there was any difference or not.) Please provide statistical evidence for your answers. (Use proper test methods and report the results of the tests except for part "c" where you only need to explain your method) DO NOT FORGET TO INTERPRETE THE RESULTS YOU GET FROM EXCEL