Chi Square in SAS® Studio
In this lesson we are going to utilize some of the SAS Studio tools to conduct Chi-squared test for categorical variables with two or more categories in each. It is used mostly to compare percentages and we can use this test under the assumptions that we have independent observations. Dataset Description
For this example, you will be revisiting the PEW2020 data. About the PEW2020 data that you will be using:
The PEW2020 data comes from the September 2020 Pew survey in which telephone interviews were “conducted Sept. 22-28, 2020, among a national sample of 1,007 adults, 18 years of age or older, living in the United States (301 respondents were interviewed on a landline telephone, and 706 were interviewed on a mobile phone, including 487 who had no landline telephone). A combination of landline and mobile phone random-digit-dial samples were used. Interviews were conducted in English (972) and Spanish (35). The combined landline and mobile phone sample is weighted to provide nationally representative estimates of the adult population 18 years of age and older.”
The questions on this survey are as follows:
1. Which country currently is the most important partner for American foreign policy?
2. In general, how would you describe relations today between the United States and Germany? Would you say they are very good, somewhat good, somewhat bad or very bad?
3. Which is more important for the United States?
a. Having a close relationship to Germany or having a close relationship to Russia?
b. Having a close relationship to Germany or having a close relationship to China?
4. How would you rate the likelihood of the current rivalry between China and the United States escalating into a confrontation resembling the Cold War?
5. For each of the following issues, do you see Germany as a partner or not?
a. Protecting the environment
b. Dealing with China
c. Dealing with Iran
d. Promoting free trade
e. Protecting European security
f. Protecting democracy and human rights around the world
6. Which of these statements comes closer to your view, even if neither is exactly right? Once the coronavirus crisis is over, do you think ...?
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