Several years ago the Metropolitan Opera in New York City began live-to-cinema opera transmissions in an effort to attract a greater audience. The broadcasts are now seen in 64 countries, and...

Several years ago the Metropolitan Opera in New York City began live-to-cinema opera transmissions in an effort to attract a greater audience. The broadcasts are now seen in 64 countries, and according to the new general manager, the Met is reaching younger people.37 A random sample of people who attended a performance at the Metropolitan Opera was obtained and the age (in years) of each was recorded. The data are given in the following table.

The fountain beneath the Gateway Arch in St. Louis is designed to spray water 630 feet straight up, the same height as the Arch. A random sample of days was selected, and on each day the height of the spray was measured (in feet) during the fountain show. The data are given in the following table.