Since the 1970s women have made tremendous gains in the political arena, with more and mor...

Since the 1970s women have made tremendous gains in the political arena, with more and more female candidates running for, and winning seats in the U.S. Senate and U.S. Congress. The number of women candidates for the U.S. Congress is shown in the table for selected years. (a) Draw a scatterplot of the data, (b) decide if the association is linear or nonlinear and (c) if the association is positive, negative, or cannot be determined.

Source:Center for American Women and Politics at www.cawp.rutgers.edu/Facts3.html