Exhibit 10-3 An Engineer Collected Data from Three Different Types of Power

Multiple Choice

Exhibit 10-3
An engineer collected data from three different types of power drills.Specifically, the engineer collected data on how long (in minutes) each type of drill would run continuously after a full battery recharge.Each drill was charged and run continuously 15 times.The reported data are contained in the following table.The engineer analyzed the data using one-way ANOVA in Excel and the results from Excel are also given below.


-Refer to Exhibit 10-3.What is the 95% confidence interval for the population mean continuous run time for the Type 3 drill?

A) (59.5, 72.1)
B) (54.1, 77.5)
C) (58.0, 73.6)
D) (59.9, 71.7)