Sparty's Choice Sparty is an MSU Graduate Student who secured two great jobs, one in Charlotte and another one in Portland. Before taking up one of the jobs, he wants to use statistical inference to determine if the average cost of living in Charlotte is lower than Portland. He surveys a random sample of 35 young professionals in Charlotte and 37 young professionals in Portland and asks them to report their living expenses for the past year. The summary statistics are given in the table below in thousands of dollars. Place Mean Cost of Living Standard Deviation Population 1: Charlotte Population 2: Portland 42.48 3.831 44.73 5.19 1. Which type of hypothesis test should be used? A. Two sample t-test for the difference in independent means B. Chi-square test of independence C. Two sample Z-test for the difference in population proportions D. Chi-square Goodness of Fit Test E. Two sample t-interval for the difference in independent means 2. Express the research question in terms of a null and an alternative hypothesis. A. Ho: H H vs. HAHH B. Ho H H vs. HAHH2 C. Ho H1 H2 v. HAHI