Metroplitan Research, Inc. a consumer research organization, conducts surveys designed to evaluate a wide, variety of products and services available to consumers. In one particular study, Metropolitan looked at consumer,satisfaction with the performance of automobiles produced by a major Detroit manufacturer. A questionairre sent,to owners of one of the manufacturer's full-sized cars revealed several complaints about early transmission problems.,To learn more about the transmission failures. Metroolitan used a sample of actual transmission repairs provided by atransmission firm in the Detrooit area. The following data show the actual number of miles driven for 50 vehicles atthe time of transmission failure.