Fast connection? How long does it take for a chunk of information to travel from one server to another and back on the Internet? According to the site internettrafficreport.

com, a typical response time is 200 milliseconds (about one-fifth of a second).

Researchers collected data on response times of a random sample of 14 servers in Europe. A graph of the data reveals no strong skewness or outliers.

The following figure displays Minitab output for a one-sample t interval for the population mean.

Is there convincing evidence at the 5% significance level that the site’s claim is incorrect? Justify your answer.

Transcribed Image Text:

Session One-Sample T: Response times Variable N Mean StDev SE Mean Response times 14 173.93 27.21 95% CI 7.27 (158.22, 189.64)