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.

Distinguish between internal and external locus of control.

Identify factors that develop self-efficacy.

Understand the concept of motivation for behavior change.

Explain enabling, predisposing, and reinforcing factors in the context of behavior change.

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Definitions:

Decreasing

A process or trend involving reduction in size, number, value, or intensity over time.

Total Bond Energy

The sum of all bond energies in a molecule, representing the energy needed to break all bonds in a molecule into separate atoms.

Potential Energy

is the energy stored within an object or system due to its position, condition, or configuration, capable of being converted into kinetic energy.

Enthalpy

The total potential energy of a system; sometimes referred to as the “heat content of the system.”