The following data represent the recorded weights (g) of a randomly selected sample of a particular car component. The manufacturing specifications require this car component to have an average weight of 6 g. The weights of this car component can be taken to be normally distributed. Use these data and ? = 0.05 to test the hypothesis that the manufacturing process is producing the car component with an average weight of 6 g.

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5.90 5.90 5.95 6.05 6.18 5.98 6.08 5.85 5.99 5.98 6.11 6.12 6.15 6.17 6.18