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

question 69

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 12 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:

Ivan Pavlov

A Russian physiologist known for his work in classical conditioning, particularly experiments with dogs.

Salivated

The secretion of saliva from the salivary glands, usually in response to the presence or anticipation of food.

Polyandrous

A mating system where a female has multiple male partners.