2. It is thought that a new process for producing a certain chemical may be cheaper than the currently used process. Each process was run 10 times, and the cost of producing 100 L of the chemical was determined each time. The results, in dollars, were as follows: New Process 55 56 58 59 60 59 56 63 66 70 Old Process 58 57" 64 63 55 62 58 59 62 68 a) State the appropriate null and alternative hypotheses. b) Compute the test statistics c) Determine the PValue (1) State the conclusion