CadSoft, a producer of computer-aided design software for the aerospace industry receives several calls for technical support. In the past, the average response time has been at least 25 minutes. The company has upgraded its information systems and believes that this will help reduce response time. As a result, it believes that the average response time can be reduced to less than 25 minutes. The company collected a sample of 44 responses times in the Excel file Cadsoft Technical Response Times. If the new information system makes a difference, then data should be able to confirm that the mean response time is less than 25 minutes