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

question 81

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. The F critical value for alpha = 0.05 is 3.89.
ii. If F calculated is 4.75, the decision if α = 0.05 is to reject H0.
iii. If the calculated F is 4.74, the decision if α = 0.01 is to not reject H0.

• 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.