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The number of grams of carbohydrates in a 12-ounce serving of a regular soft drink is listed here for a random sample of sodas. Find the 99% confidence interval for the mean number of carbohydrates in all brands of soda.
48 37 52 40 43 46 41 38
41 45 45 33 35 52 45 41

  • statistics - ,

    Hope this helps:

    Mean 42.625
    Standard Error 1.37196635
    Median 42
    Mode 41
    Standard Deviation 5.487865402
    Sample Variance 30.11666667
    Kurtosis -0.413446348
    Skewness 0.110205125
    Range 19
    Minimum 33
    Maximum 52
    Sum 682
    Count 16
    Confidence Level(99.0%) 4.04279092

    This is really easy to do. Just type the data into excel and then go to "Data-Data Analysis (make sure you have enabled this)" Then go to "Descriptive Statistics and enter in the C.I. and anything else. Good Luck

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