SCENARIO 10-14 the Use of Preservatives by Food Processors Has Become a Become

question 132

Multiple Choice

SCENARIO 10-14
The use of preservatives by food processors has become a controversial issue.Suppose two preservatives are extensively tested and determined safe for use in meats.A processor wants to compare the preservatives for their effects on retarding spoilage.Suppose 15 cuts of fresh meat are treated with preservative I and 15 are treated with preservative II,and the number of hours until spoilage begins is recorded for each of the 30 cuts of meat.The results are summarized in the table below.

-Referring to Scenario 10-14,what assumptions are necessary for testing if the population variances differ for preservatives I and II?

• A)Both sampled populations are normally distributed.
• B)Both samples are random and independent.
• C)Neither (a)nor (b)is necessary.
• D)Both (a)and (b)are necessary.

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Definitions:

Private Firm

A business owned by private individuals or groups, not controlled by the government, and operated for profit.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they are accessible to all and one person's use does not diminish another's.

Nonexcludable

Describes a good or service for which it is not possible to prevent people who have not paid from consuming or using it, such as public parks or street lighting.

Efficiency

The optimal allocation of resources to maximize the desired outputs while minimizing waste or unnecessary effort.