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

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Definitions:

Dependent Position

A body position that is lower than the heart, often used to describe the positioning of limbs for medical examination or procedures.

Thready

Describes a weak and barely palpable pulse that feels thin and feeble, often indicating a decrease in the volume or force of the heart's contractions.

Phlebotomies

A medical procedure that involves the drawing of blood from a vein, typically for diagnostic or therapeutic purposes.

Polycythemia

Polycythemia is a blood disorder in which the body produces too many red blood cells, leading to increased blood viscosity and potential complications such as blood clots.