# Question

A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents?

38. 4 40. 9 67 32.5 51.5 43.4

38 43.4 50.7 35.4 39.3 41.4

38. 4 40. 9 67 32.5 51.5 43.4

38 43.4 50.7 35.4 39.3 41.4

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