U.S. News & World Report publishes acceptance rates for U.S. universities. Following are the acceptance rates f or the top 70 U.S. universities in 2011.

a. Create a grouped frequency table for these data. 

b. The data have quite a range, with the highest acceptance rates among the top 70 belonging to Yeshiva University in New York, and the lowest belonging to Harvard University. What research hypotheses come to mind when you examine these data? State at least one research question that these data suggest to you. 

c. Create a grouped histogram for these data. Be careful when determining the midpoints of your intervals! 

d. Create a frequency polygon for these data. 

e. Examine these graphs and give a brief description of the distribution. Are there unusual scores? Are the data skewed, and if so, in which direction?

Transcribed Image Text:

6.3 14.0 8.9 21.6 40.6 51.2 50.5 69.4 42.4 68.3 8.5 12.4 18.0 30.4 31.4 51.3 47.5 49.4 54.6 63.5 7.7 12.8 18.8 25.5 28.0 33.4 38.3 25.0 49.4 56.7 7.0 10.1 24.3 23.0 32.7 46.0 52.4 31.6 44.7 62.8 16.3 18.0 16.4 33.3 40.0 35.5 67.6 43.2 57.9 63.3 9.7 18.4 26.7 39.9 34.6 39.6 46.6 34.5 47.3 61.1 7.1 16.5 18.1 21.9 34.1 45.7 58.4 63.4 63.0 46.6