Question: Question Four Tex An automotive engineer investigating two different types of metering devices for an plication r electronic fuel injection system to determine whether they

Question Four Tex An automotive engineer investigating two different types of metering devices for an plication r electronic fuel injection system to determine whether they differ in their fuel mileage performance. The system is installed on 12 different cars, and a test is run with each metering device on each car. The observed fuel mileage performance data are shown in the table below. Use the sign test to determine whether the median fuel mileage performance is the same for both devices using a = 0.05. Determine the test procedure and make the corresponding conclusion. Metering Device 17.6 16.8 19.4 20.0 19.5 18.2 17.1 16.4 16.0 15.4 16.3 18.0 17.3 16.4 19.1 20.1 17.8 16.7 18.2 17.9

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