A large scale nationwide poll is conducted to determine the public attitude towa

Question

A large scale nationwide poll is conducted to determine the public attitude toward the abolition of capital punishment. The percentages in the various response categories are: strongly Favor 20% Favor Indifferent Oppose Strongly 30% 20% 20% 10% From a random sample of 100 law enforcement officers in a metropolitan area, the following frequency distribution is observed strongly Favor 14 Indifferent Oppose Favor Strongly Oppose 18 18 26 24 Do these data provide evidence that the attitude patterns of law enforcement officers differs significantly from the attitude pattern observed in the large scale national poll? Test at a 5 % level of significance | 8) The appropriate statistical procedure is a : a. Test of independence b. Testf goodness of fit c. Test of homogeneity The valus of the test atatiatic ia 9) a. 28.2 b. 100.0 c. 128.2 10) We reject the null hypothesis if the test statistic is a. Smaller than 9.49 b. Greater than 9.49 c. Greater than 28.2

Explanation / Answer

8) Correct answer: Option (A)

9) Correct answer: Opiton (A) 28.2

10) Correct answer: Option (B)

11) Correct answer: Option (C)

12) Correct answer: Option (A)

13) Correct answer: Option (C)

14) Correct answer: Option (B)

Observed Expected Freq (Oi) Probability Freq Ei (Oi-Ei)^2 /Ei 18 0.30 30 4.8 18 0.20 20 0.2 26 0.20 20 1.8 24 0.10 10 19.6 14 0.20 20 1.8 100 100 28.2

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.