Point estimate for the population mean travel tax

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The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers.

68.73

80.67

78.17

86.38

68.52

100.32

83.47

97.04

Determine the point estimate for the population mean travel tax.

Compute a 95% confidence interval for the mean tax paid for a three-day business trip. Round to 2 decimal places. Interpret the interval.

Reference no: EM132855212

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