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Please answer part c for both questions 5 and 6 Homework: Sec 8.2 Hw Score: 90.74%, 10.89 of 12 (:6) points @ Points: 0.44 of
Please answer part c for both questions 5 and 6
Homework: Sec 8.2 Hw Score: 90.74%, 10.89 of 12 (:6) points @ Points: 0.44 of 1 Question 5, 8.2.13-T Part6 of8 Question list 0 Media 4 0 Media 5 0 Question 1 0 Question 2 0 Question 3 0 Question 4 '2; Question 5 Help me solve this A pet association claims that the mean annual cost of food for dogs and cats are the same. The results for samples for I6 the two types of pets are shown below. At 0: = 0.05, can you reject the pet association's claim? Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. (a) Identify the claim and state H0 and Ha. Which is the correct claim below? V "The mean annual costs of food for dogs and cats are equal." "The mean annual costs of food for dogs and cats are not equal." "The mean annual cost of food for dogs is greater than the cost for cats. "The mean annual cost of food for cats is greater than the cost for dogs. What are H0 and Ha? The null hypothesis, H0, is P1 = p2. The alternative hypothesis, He, is P1 #pz. Which hypothesis is the claim? View an example Get more help - Clear all Hw Score: 90.74%, 10.89 of 12 points @ Points: 0.44 of 1 Question 5, 8.2.13-T Homework: Sec 8.2 part 6 of a _ _ A pet association claims that the mean annual cost of food for dogs and cats are the same. The results for samples for Questlon IISt I6 the two types of pets are shown below. At 0i = 0.05, can you reject the pet association's claim? Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. o Media4 x1 = $243 x2 = $208 o Media5 "1 = 17 "2 = 14 E) 0 Question 1 Which hypothesis is the claim? . The alternative hypothesis, H8 0 Question 2 V The null hypothesis, H0 0 Question 3 (b) Find the critical value(s) and identify the rejection region(s). Enter the critical value(s) below. _ -2.160, 2.160 0 Question 4 (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below. x I 1/ Question 5 t to t>t0 (c) Find the standardized test statistic. t= E (Type an integer or decimal rounded to three decimal places as needed.) Help me solve this View an example Get more help A Clear all Homework: Sec 8.2 HW Score: 92.59%, 11.11 of 12 points Pa\" 6 f 8 9 Points: 0.44 of 1 Question 6, 8.2.18-T Question list 0 Question 1 0 Question 2 0 Question 3 0 Question 4 "/4 Question 5 '2; Question 6 a Question 7 I A personnel director in a particular state claims that the mean annual income is the same in one of the state's counties (County A) as it is in another county (County B). In County A, a random sample of 18 residents has a mean annual income of $40,600 and a standard deviation of $3500. In County B, a random sample of 8 residents has a mean annual income of $39,300 and a standard deviation of $5600. At or = 0.10, answer parts (a) through (e). Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. (a) Identify the claim and state H0 and Ha. Which is the correct claim below? "The mean annual income in CountyA is less than in County B." "The mean annual income in CountyA is greater than in County B." V "The mean annual incomes in Counties Aand B are equal." "The mean annual incomes in Counties Aand B are not equal." What are H0 and Ha? The null hypothesis, H0, is p1 = p2. The alternative hypothesis, Ha, is p1 #112. Which hypothesis is the claim? The alternative hypothesis, Ha V The null hypothesis, H0 Help me solve this View an example Get more help - Clear all Homework: Sec 8.2 Homework: Sec 8.2 . a Question 6, 8.2.18-T HW Score. 92.59 A, 11.11 of 12 points Part 6 0f 3 9 Points: 0.44 of 1 Question list 0 Question 1 0 Question 2 0 Question 3 0 Question 4 \"4 Question 5 '2; Question 6 0 Question 7 l A personnel director in a particular state claims that the mean annual income is the same in one of the state's counties (County A) as it is in another county (County B). In County A, a random sample of 18 residents has a mean annual income of $40,600 and a standard deviation of $8500. In County B, a random sample of 8 residents has a mean annual income of $39,300 and a standard deviation of $5600. At or = 0.10, answer parts (a) through (6). Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. .. -u (b) Find the critical value(s) and identify the rejection region(s). Enter the critical value(s) below. -1.895, 1.895 (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below. V tt0 "toStep by Step Solution
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