Suppose a Package Delivery Company Purchased 14 Trucks at the Same

Multiple Choice

Suppose a package delivery company purchased 14 trucks at the same time. Five trucks were purchased from manufacturer A, four from B and five from manufacturer C. The cost of maintaining each truck was recorded. The company wants to test if the mean maintenance cost for trucks from each manufacturer were equal. Using Excel, what test would be used?

A) ANOVA: Single Factor.
B) ANOVA: Two-Factor with Replication.
C) ANOVA: Two-Factor without Replication.
D) F-Test Two Sample for Variances.
E) t-Test: Paired Two Sample for Means.