Views on the Death Penalty. The Pew Research Group conducted a poll in which they asked, "Are you in favor of or opposed to, executing persons as a general policy when the crime was committed while under the age of 18?" Of the 580 Catholics surveyed, 180 indicated they favored capital punishment; of the 600 seculars (those who do not associate with a religion) surveyed, 238 favored capital punishments. Is there a significant difference in the proportion of individuals in these groups in favor of capital punishment for persons under the age of 18? Use the a = 0.01 level of significance

Suppose you just graduated with an accounting degree and are trying to choose an accounting firm to begin your career.  You spent hours researching many firms and have narrowed your search down to three (i.e. Aguilar, Brown and Cheng).  You have surveyed accountants to determine if the average incomes at each firm are equal between each of your top three choices.  Obviously you want to join the firm with the highest average pay.  Below are a sample of salaries (i.e. eight individuals from each firm) enabling you to test the hypothesis that the average pay (in thousands of $) is equal between employers.  Use Fisher's LSD procedure (if necessary) to test whether there is a significant difference between any of the firms.  (Show work for full credit, 10 pts)     Aguilar Brown Cheng 72 98 80 81 60 54 103 87 60 94 69 45 64 72 53 58 67 42 70 74 67 71 78 80   Using a .05 level of significance complete the hypothesis test below. A. State the null and alternative…

Among college students, the proportion p who say they're interested in their congressional district's election results has traditionally been 75%. After a series of debates on campuses, a political scientist claims that the proportion of college students who say they're interested in their district's election results is more than 75%. A poll is commissioned, and 212 out of a random sample of 275 college students say they're interested in their district's election results. Is there enough evidence to support the political scientist's claim at the 0.10 level of significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H₁. HO H₁ :0 (b) Determine the type of test statistic to use. (Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) 0 (d) Find the critical…

A golf instructor wants to test the following claim: of all golf students in the United States, 65% need the most help with short game shots, 22% need the most help with approach and swing, 9% need the most help with driver shots, and 4% need the most help with putting. A random sample of golf students finds that 276 need the most help with short-game shots, 99 need the most help with approach and swing, 42 need the most help with driver shots, and 18 need the most help with putting. Test the claim at σ = 0.10.