Questions from Statistics

Q: The table below shows the passing records of two rival quarterbacks in

The table below shows the passing records of two rival quarterbacks in the first half and second half of a football game. Who had the higher completion percentage in the first half? Who had the higher...

Q: A KRC Research poll of 1002 randomly selected adults found that 53

A KRC Research poll of 1002 randomly selected adults found that 53% of them said that they feel vulnerable to identity theft.

Q: The table below shows eighth-grade mathematics test scores in Nebraska

The table below shows eighth-grade mathematics test scores in Nebraska and New Jersey. The scores are separated according to the race of the student. Also shown are the state averages for all races....

Q: Consider the following table comparing the grade point averages (GPAs)

Consider the following table comparing the grade point averages (GPAs) and mathematics SAT scores of high school students in 1988 and 1998 (before the SAT test format was revised). a. In general term...

Q: The following table shows deaths due to tuberculosis (TB) in

The following table shows deaths due to tuberculosis (TB) in New York City and Richmond, Virginia, in 1910. a. Compute the death rates for whites, nonwhites, and all residents in New York City. b. Com...

Q: Two cross-country running teams, called the Gazelles and the

Two cross-country running teams, called the Gazelles and the Cheetahs, participated in a (hypothetical) study in which 50% of the Gazelles and 65% of the Cheetahs used weight training to supplement a...

Q: A graphic artist for a magazine depicts the populations of the 10

A graphic artist for a magazine depicts the populations of the 10 largest U.S. cities by using bars of different heights, with the bars positioned on the locations of the cities on a map of the United...

Q: Consider the following hypothetical basketball records for Spelman and Morehouse Colleges.

Consider the following hypothetical basketball records for Spelman and Morehouse Colleges. a. Give numerical evidence to support the claim that Spelman College has a better team than Morehouse College...

Q: Two drugs, A and B, were tested on a total

Two drugs, A and B, were tested on a total of 2000 patients, half of whom were women and half of whom were men. Drug A was given to 900 patients and Drug B to 1100 patients. The results appear in the...

Q: The results in the table below are from experiments conducted by researchers

The results in the table below are from experiments conducted by researchers Charles R. Honts (Boise State University) and Gordon H. Barland (Department of Defense Polygraph Institute). In each case,...