The Makers of Furnace Filters Recently Conducted a Test to Determine

question 9

True/False

The makers of furnace filters recently conducted a test to determine whether the median number of particulates that would pass through their four leading filters was the same. A random sample of 6 of each type of filter was used with the following data being recorded: If the managers are unwilling to assume that the populations are normally distributed, the appropriate test in this case would be the Mann-Whitney U test.

---

Definitions:

Direct Labor Cost

The compensation given to workers who are directly engaged in manufacturing products or providing services.

Raw Materials

The basic materials from which products are made, used in manufacturing processes to produce finished goods.

Direct Labor Wage Rate

The amount paid per hour or unit of production to manufacturing workers who are directly involved in converting materials into finished goods.

Manufacturing Overhead

All indirect costs associated with the manufacturing process, such as utilities, rent, and salaries for employees not directly involved in production.