Exam 2: Turning Data Into Information

Listed below is the number of Congressional Medals of Honor awarded in wars fought by the United States. What percent of all medals given were awarded during World War I and World War II?

Use the following information for questions: The following histogram gives the distribution of the difference between the actual and ideal weights for a sample of male college students. Ideal weights are responses to the question "What is your ideal weight"? The difference = actual -ideal. -Most of the men in this sample felt that their actual weight was

Use the following information for questions: The following histogram shows the distribution of the difference between the actual and "ideal" weights for 119 female college students. Ideal weights are responses to the question "What is your ideal weight"? The difference = actual -ideal. (Source: idealwtwomen dataset on the CD.) -What is the approximate shape of the distribution?

Use the following information for questions: The following histogram shows the distribution of the difference between the actual and "ideal" weights for 119 female college students. Ideal weights are responses to the question "What is your ideal weight"? The difference = actual -ideal. (Source: idealwtwomen dataset on the CD.) -The median of the distribution is approximately

Use the following information for questions: The pie chart below shows the U.S. Energy Consumption by Energy Source for the year 2009. -The combined percent of petroleum and natural gas was

For a large sample of blood pressure values, the mean is 120 and the standard deviation is 10. Assuming a bell-shaped curve, which interval is likely to be about the interval that contains 95% of the blood pressures in the sample?

What is a reasonable action if an outlier was a mistake made in measuring the object?

Which of the following provides the most information about the shape of a data set?

Use the following information for questions: The following histogram is for the weights (lbs) of 63 male college students.(Source: idealwtmen dataset on the CD.) -What is the best description for the approximate shape of this distribution?

Which choice lists two statistics that give information only about the location of a dataset and not the spread?

Use the following information for questions: The following histogram shows the distribution of the difference between the actual and "ideal" weights for 119 female college students. Ideal weights are responses to the question "What is your ideal weight"? The difference = actual -ideal. (Source: idealwtwomen dataset on the CD.) -Most of the women in this sample felt that their actual weight was

Which statistic is not resistant to an outlier in the data?

What is a reasonable action if an outlier is the value for the only young subject in a sample where all of the other values were for older subjects?

Use the following information for questions: A five-number summary given in Case Study 1.1 for the fastest ever driving speeds reported by 102 women was: 30, 80, 89, 95, 130. -What is the interquartile range of these data?