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The accompanying data represent the total travel tax? (in dollars) for a? 3-day business trip in...

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Basic Math

The accompanying data represent the total travel tax? (indollars) for a? 3-day business trip in 8 randomly selected cities.A normal probability plot suggests the data could come from apopulation that is normally distributed. A boxplot indicates thereare no outliers. Complete parts? (a) through? (c) below. 67.6278.42 70.61 84.97 80.32 85.33 100.83 99.72

?(a) Determine a point estimate for thepopulation mean travel tax.

?(b) Construct and interpret a

9595?%

confidence interval for the mean tax paid for a? three-daybusiness trip.

(c) What would you recommend to a researcherwho wants to increase the precision of the? interval, but does nothave access to additional? data?

Answer & Explanation Solved by verified expert
3.8 Ratings (660 Votes)
the given data isapoint estimate for the population mean travel tax    See Answer
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