I need a help with this problem .I will use minitab later

Please solve the problems using one of the recommended statistical software (like Minitab, Minitab Express, PHStat, or MegaStat) as the tool. For each problem, present the results in a non-statistical executive summary as detailed in the document "Instructions-for-Completing-Case-Assignments." 1. Dynco Inc., a major manufacturer of ball bearings, was facing tough competition from Japanese manufacturers. Part of the reason was the aging machines which Dynco was using. The production manager sent a request to the comptroller for replacement of the existing (brand A) machines. Three different brands (B. C. D) of new machines were being considered. From the experiences of two of the firm's small subsidiary operations and information supplied by a personal friend of the production supervisor, the output per hour for four machines of each type was obtained and is presented below. Since each type of machine has similar acquisition and operating costs, the output per hour is seen as the critical variable in the purchase decision. Output per Hour Brand Machine Type A B C D AWNP 502 896 726 989 451 900 700 950 631 897 826 1001 529 915 750 1120 In order to make a decision, the comptroller asked you to analyze the data. On the basis of results obtained, can you now determine which machine or machines are better? Which brand would you recommend that Dynco purchase