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-   -   A random sample of state gasoline taxes (in cents)... NEED HELP! MATH (https://www.askmehelpdesk.com/showthread.php?t=743882)

  • Apr 11, 2013, 08:42 PM
    Oliwiec
    A random sample of state gasoline taxes (in cents)... NEED HELP! MATH
    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

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