Exam 7: Statistics and Probability

There are approximately 300,000,000 people living in the United States. The circle graph in Figure given below, shows the breakdown of the U.S. population by ethnic origin. Approximately how many more people of Asian ethnic origin live in the United States than people of American Indian/Alaska Native Islander ethnic origin?

The circle graph shows a breakdown, according to age, of the homeless in America. On average, how many of every 100,000 homeless people in America are over the age of 35?

The double-bar graph below shows the fuel efficiency of four vehicles, as rated by the Environmental Protection Agency. They are among the most fuel-efficient 2003 model-year cars for city and highway mileage. Approximately how many more miles per gallon does the Toyota Prius get while traveling in the city than on the highway?

A patient's blood sugar readings were recorded during a recent stay in the hospital. The results in milligrams/deciliter were 210, 202, 163, 184, 199, 159, 130, 159, 122, 103, 108, and 92. a. Calculate the mean blood sugar reading for this patient. b. Calculate the median blood sugar reading for this patient.