Question 10 1 pts As discussed in class, a question that asks for the respondent's age and uses age categories like 20-29, 30-39, 40-49, 50-59, 60-69, is likely to produce data that O is valid is reliable O includes random error O includes systematic error Question 11 1 pts Leading up to the 2012 presidential election, Gallup made a decision about using random digit dialing for cell phones and listed numbers for landlines to create the sample. This resulted in not contacting about 2 percent of the U.S. population and likely contributed to their incorrect prediction of the winner of the 2012 presidential election. From the class discussion, this sampling frame error is best classified as O sampling error O interviewer bias O administrative error O unconscious misrepresentation O none of the above