A City Bus Driver Claims That the Route from the Canyon

Short Answer

A city bus driver claims that the route from the Canyon Crest Town Center to the University of California, Riverside never varies more than 1.3 minutes. A random sample of 18 trips yielded a variance of 1.26 minutes². It is of interest to determine if the sample data present sufficient evidence to reject the driver's claim. Calculate the value of the test statistic. What is the appropriate conclusion at the 0.05 level of significance?
Test Statistic = ______________
Reject Region: Reject H₀ if > ______________
Conclusion: ______________
One ______________ conclude that the route varies by more than 1.3 minutes.