The EPA Has Stipulated That the PSI,"Pollution Standard Index" for Clean

question 11

Multiple Choice

The EPA has stipulated that the PSI,"Pollution Standard Index" for clean air standards is to be no more than 100 on the average.A random sample of 9 days for the city of Acorn showed PSI readings of 144,85,90,120,150,105,93,130 and 115.Assume the population of PSI readings is highly non-normal.EPA wants to determine if there is significant evidence to conclude that Acorn's air is dirtier than the stipulated clean air standards.Which one of the following tests is appropriate for this problem?

• A)Wilcoxon signed rank test
• B)Wilcoxon rank sum test
• C)Sign test
• D)Kruskal-Wallis test
• E)Spearman's rank correlation test

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Definitions:

Activity-Based Costing

A costing method that assigns overhead and indirect costs to related products and services based on their use of resources.

Production Departments

Designated areas or segments in an organization responsible for the creation or assembly of products.

Apply Overhead

The process of allocating manufacturing overhead costs to produced goods based on a predetermined rate or base.

Production Department Costs

Production department costs involve all the direct costs associated with the manufacturing process, including raw materials, direct labor, and overhead expenses specifically related to the production of goods.