The National Muffler Company claims they will change your muffler in less than 30 minutes. An investigative reporter for WTOL Channel 11 monitored 30 consecutive muffler changes at the National outlet on Liberty Street. The number of minutes to perform changes is reported below:

a.?Develop a box plot for the time to change a muffler.b.?Does the distribution show any outliers?c. Summarize your findings in a brief report.

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