A research team conducted a survey in which the subjects were adult smokers. Eac

Question

A research team conducted a survey in which the subjects were adult smokers. Each subject in a sample of 180 was asked to indicate the extent to which he or she agreed with the statement "I would like to quit smoking". The results were as follows: 9. Response: Agree Somewhat Agree Disagree Number Responding:67 58 Using a = .05 can we conclude on the basis of these data that in the sampled population opinions are not equally distributed over the three levels of agreement? (a) Do not reject Ho since 3.7 3.841 (e) Do not reject Ho since 3.7

Explanation / Answer

Df = 3 - 1 = 2

Critical value of chi-square = 5.991

Do not reject H0 since 1.3 < 5.991 (option B)

Expected (Ei) Observed (Oi) (Ei - Oi)^2/Ei Agree 60 67 0.8167 Somewhat Agree 60 55 0.4167 Disagree 60 58 0.0667 1.3000

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