THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 42

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose two food 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 16 cuts of fresh meat are treated with preservative A and another 12 cuts of meat are treated with preservative B.The number of hours until spoilage begins is recorded for each of the 28 cuts of meat.The results are summarized in the table below.

-The value of the test statistic for determining if there is a difference in the population variances for preservatives A and B is equal to:

• A)0.784
• B)1.625
• C)1.275
• D)1.129

---

Definitions:

DSM

The Diagnostic and Statistical Manual of Mental Disorders, a comprehensive classification of mental disorders published by the American Psychiatric Association.

Continuous State

A condition or situation that remains unchanged over time, without interruption or variation.

Motor Tension

Physical strain or stress that results from the activation of the body's motor system, often associated with anxiety or stress.

Acrophobia

An extreme or irrational fear of heights.