To Test the Mileage Efficiency of Three New Car Models,random

question 4

Multiple Choice

To test the mileage efficiency of three new car models,random samples of various sample sizes were selected from each of the three cars and the mpg data obtained are shown below. Based on the sample date,one can conclude that

• A)all three car models have the same mean mpg.
• B)at least two car models have different mpgs.
• C)Model C has a higher mpg than Model A.
• D)None of the above

---

Definitions:

Efficient

The quality of achieving maximum productivity with minimum wasted effort or expense.

Cycle Inventory

Inventory that is held to manage the normal fluctuation of production or supply and demand, rotating through cycles of replenishment.

Safety Inventory

Extra stock kept in storage to guard against uncertainty in demand or supply, ensuring product availability.

Seasonal Inventory

Inventory that is purchased or produced in anticipation of season-based demand increases, such as holiday merchandise.