SHOW ALL YOUR WORK

Please answer these two questions thoroughly and I will leave a good review

Problem # 3 (12.5 pts) The following table shows the percentage of the vote predicted by a poll for nine candidates for the U.S Senate in w different states, x, and the corresponding percentages of the vote that they actually received, y: Poll (x) 42 34 59 41 53 40 55 44 41 Election (y) 51 31 56 42 58 35 54 42 41 a) Find the correlation coefficient r b) find the regression equation c) Graph the regression equation through the scatter plot. (Hint: Construct the scatter plot first) 4 Problem # 4 (12.5 pts) You work for a company that exhibits at trade shows. Using figures from the last 30 trade shows, an employee claims that 51% of the attendees at trade shows are more likely to visit an exhibit when there is a giveaway. You select a sample of 1160 participants in a trade show and 750 agreed with this view. At a = 0.05, do you have enough evidence to reject the claim