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

question 7

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,suppose α = 0.05.Which of the following represents the correct conclusion?

• A)There is no evidence of a difference in the population variances between preservatives I and II.
• B)There is evidence of a difference in the population variances between preservatives I and II.
• C)There is no evidence that the population variances between preservatives I and II are the same.
• D)There is evidence that the population variances between preservatives I and II are the same.

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Definitions:

Semantic

Relating to meaning in language or logic, especially the meaning of words and phrases in context.

Structural

Relating to the arrangement of and relations between the parts or elements of something complex.

Phonemic

Refers to the smallest unit of sound in a language that can change the meaning of a word.

Dual-Coding Theory

A theory proposing that both visual imagery and verbal information are used to represent information, suggesting that information is stored in long-term memory in two distinct forms: auditory (verbal) codes and visual (imagery) codes.