Amateur radio operators (hams) communicate with one another all over the world, and many help coordinate relief efforts during a natural disaster. Unlike the 5-watt power limit on a CB radio, ham...

Amateur radio operators (hams) communicate with one another all over the world, and many help coordinate relief efforts during a natural disaster. Unlike the 5-watt power limit on a CB radio, ham radios can have as much as 1500 watts of power. A random sample of amateur radio operators was obtained from four states. The power on each transmitter was measured (in watts), and the summary statistics are given in the following table.

What was called the tallest hotel in North America opened recently in New York City. Well, it’s really two hotels, near Times Square. Floors 6–33 are a Courtyard by Marriott, and floors 37–65 are a Residence Inn by Marriott.42 The price per room on any floor is high, due to the location near Times Square and Central Park. A sample of guests was obtained, and each was classified by hotel within the hotel, Courtyard (C) or Residence Inn (R). The ordered observations are given in the following table.