State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 9 states. Round sample statistics and final answers to at least two decimal places. 37.4, 32.1, 50.1, 43.1, 43, 32.1 33.3 62.8 49.8 Use the data to estimate the true population mean gasoline tax with 90% confidence. Assume the variable is normally distributed.