Use the Following Information to Answer Questions (11)-(13)

question 30

Essay

Use the following information to answer questions (11)-(13). 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.
-A popular wedding magazine states in an article on catering costs that "There is a 95% chance that the catering cost of your wedding will be between $106 and $114 per person." Explain what is wrong with this statement and write a better statement that correctly interprets the confidence interval.

---

Definitions:

Logistic Regression

A statistical method used for analyzing datasets in which there are one or more independent variables that determine an outcome.

Mammography Screening

A medical test that uses X-rays to detect breast cancer in women, typically conducted as part of a preventive healthcare routine.

Mortality Benefit

The observed survival advantage or reduction in death rates from a particular treatment or intervention.

Pearson Correlation

A measure of the linear correlation between two variables, giving a value between -1 and 1 which indicates the direction and strength of the relationship.