Taking a cruise is a costly discretionary expense. In a recent year, the top five cruise lines in the world had this many passengers:

Round your answers to the nearest integer.
a. The computations will be easier to work if you view this problem in terms of thousands of passengers. Represent each number in terms of thousands of passengers.
b. What is the mean number of passengers for these five cruise lines? (Give the full number.)
c. What is the range? (Give the full number.)
d. What is the standard deviation? (Give the full number.)