TABLE 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.
Preservative I Preservative II
I 
= 106.4 hours 
II = 96.54 hours
SI = 10.3 hours SII = 13.4 hours
-Referring to Table 10-14, what is the largest level of significance at which a test of whether the population variances differ for preservatives I and II will not be rejected?
Definitions:
Warranties
Warranties are promises made by a seller to a buyer to repair or replace a product within a certain time frame if it fails to meet specified criteria.
Speedy Delivery
The rapid transport and delivery of goods to customers, often used as a competitive advantage in business.
Business Friendship
A relationship built on mutual respect, trust, and professionalism between individuals in a professional setting.
Acquaintances
People one knows slightly but who are not close friends, often part of one's broader social or professional network.
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