In a Study of Low Tar Cigarettes, fiVe Cigarettes from Each

question 96

Multiple Choice

In a study of low tar cigarettes, five cigarettes from each of three brands were tested to see if the
Mean amount of tar per cigarette differs among the brands.
i. There are 2 degrees of freedom for the numerator.
ii. There are 14 degrees of freedom for the denominator.
iii. If the sum of squares for the brands is 0.07, the mean square for brands is 0.035.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Vasoconstriction

The narrowing of the blood vessels which results in increased blood pressure.

Hunger Drive

The internal motivation that prompts an organism to seek food for energy.

Psychological Factors

Aspects of an individual's mental and emotional state that influence behavior, perceptions, and overall mental health.

Physiological Factors

Aspects related to the functioning of organs and biological systems within an organism that influence its physical and mental health and behavior.