# How do the average weekly incomes of electricians and carpenters…

Question Answered step-by-step How do the average weekly incomes of electricians and carpenters… How do the average weekly incomes of electricians and carpenters compare? A random sample of 17 regions in the United States gave the following information about average weekly income (in dollars). (Reference: U.S. Department of Labor, Bureau of Labor Statistics.)Region123456789Electricians467712592463739695743571815Carpenters542818519472687508782655474 Region1011121314151617Electricians591596705577867598593655Carpenters481645672383813603553504Does this information indicate a difference (either way) in the average weekly incomes of electricians compared to those of carpenters? Use a 5% level of significance.(a) What is the level of significance? State the null and alternate hypotheses.Ho: Distributions are different. H1: Distributions are the same.Ho: Distributions are the same. H1: Distributions are the same.    Ho: Distributions are the same. H1: Distributions are different.Ho: Distributions are different. H1: Distributions are different.(b) Compute the sample test statistic. (Use 2 decimal places.)What sampling distribution will you use?uniformnormal    Student’s tchi-square(c) Find the P-value of the sample test statistic. (Use 4 decimal places.)      Math Statistics and Probability OAD 30763 Share QuestionEmailCopy link Comments (0)