Please read the case study Global Attribution as well as chapter 3 (both files on the attachment). Then, answer the following questions:1. Which of the ten media channels do you think was least reliably measured? Do you think the measurement of ad exposure in this channel was biased (systematically higher or lower than the real number) or just highly variant (sometime higher and sometimes lower than the real number)?2. Think up another situation in which you would expect to find endogeneity.3. In general, do you think online media is better for inducing purchase incidence or purchase amount?4. Could the methodology described in the case be applied to determine advertising effectiveness of a consumer packaged good like Tide? Why/why not?Please note that since this case is based on Chapter 3 Web Analytics, you should do some basic calculations and data analysis using data provided in the case to support your answers. By the way, please don't turn in simple question and answer format. Case analysis should be thoughtful, well organized and support your arguments/answers with data.This work must be done in less than 48 hours.

First, visit Explore: National Review. This is a leading conservative magazine and articles are written from various points on the conservative spectrum. Occasionally, it may disagree with a point on the lecture outline of liberal and conservative views. Select an article to review. You may select an article from Explore: Real Clear Politics. Select an article that is at least 800 words. The article may not be more than six months old. Provide the author, title, and complete URL address of the article.Second, review the Learn items on conservatism and liberalism. You must refer to the Learn items to receive full credit.Third, identify the key themes of the article. Compare these with what you have learned about conservatism and liberalism in the Watch items.What conservative ideas are expressed in the article?Why do you call them conservative?What liberal ideas are expressed in the article?Why do you call them liberal?Fourth, your thread must consist of 2 paragraphs.In the first paragraph, summarize the content of the article and identify the thesis.In the second paragraph, give the analysis, explaining why the article should be considered conservative or liberal based on the presentations.Explore: National Review Online https://www.nationalreview.com/Explore: Real Clear Politics https://www.realclearpolitics.com/