Redistricting and House Elections The 2010 census led to the loss of two house seats in New York and Ohio, the loss of one House seat in Pennsylvania, the gain of two house seats in Florida and the gain of four House seats in Texas. Consider the following approximate vote counts for all House districts in these states in 2010 (before redistricting) and 2012 (after redistricting). All figures are in thousands of votes. Votes for other parties are neglected. a. Find the percentages of votes cast for Republican and Democratic candidates in 2012 and 2012. b. Find the percentages of House seats that were won by republican and democratic candidates in 2010 and 2012. c. Explain whether the distributions of votes reflect the distributions of House seats. d. Discuss whether redistricting based on the 2010 census affected the distributions of votes and representatives.

A polling organization contacts 1620 undergraduates who attend a university and live in the United States and asks whether or not they had spent more than $200 on food in the last month. What is the population in the study? A. Undergraduates who attend a university. B. Undergraduates who attend a university and live in the United States. OC. Undergraduates who attend a university and live in the United States and have spent more than $200 on food. D. Undergraduates who attend a university and have spent more than $200 on food. What is the sample in the study? OA. Undergraduates who attend a university and live in the United States. B. The 1620 undergraduates who attend a university and live in the United States. OC. The 1620 undergraduates who attend a university and have spent more than $200 on food. OD. Undergraduates who attend a university.

This table shows total motor vehicle registrations and total populations in 2018 for selected states. State California New Hampshire New York Population (in millions) 39.6 1.4 19.5 Motor Vehicle Registrations (in millions) 31.0 1.3 11.5

3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o