1. Math
  2. Statistics And Probability
  3. write the word or phrase that best completes each statement...

Question: write the word or phrase that best completes each statement...

Question details

Write the word or phrase that best completes each statement or answers the question. According to the website www.costofwedding.com, the average cost of catering a wedding (with an open bar is $100 per person. Recently, in a random sample of 40 weddings in the U. S. it was found that the average catering cost was $110, with a standard deviation of $12. On the basis of this, a 95% confidence interval for the mean catering cost for a wedding is $106 to $114. Explain whether the confidence interval provides evidence that the mean catering cost of a wedding has increased. Be specific about the reasoning of using the confidence interval. HTML Editor M TT T Font sizes Paragrap
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