The computer operations department had a business objective of reducing the amount of time to fully update each subscriber's set of messages in a special secured email system. An experiment was conducted in which 40 subscribers were selected with four difference messaging systems and two connection media types used. The subscribers were randomly assigned so that there were five subscribers in each of the eight combinations of the two factors - messaging system and media used. The updates time are as follows.

Completely analyze these data ad write a report to the team that indicates the importance of each of the two factors and or the interaction between them on the length of the call Include recommendations for future experiments to perform.

System 1 System 2 41.7 System 3 System 4 Cable 45.6 35.3 30.5 49.0 42.8 37.7 31.3 41.8 40.0 41.0 39.6 35.6 39.6 28.7 25.4 43.4 39.0 31.8 23.7 Fiber 37.9 44.1 40.8 43.3 43.8 41.1 40.0 40.5 46.9 35.8 43.1 44.2 45.3 40.2 51.8 39.6 42.1 48.5 33.2 35.4