Group the data in given problem into classes, and draw a histogram of the frequency distribution.
Problem
The following data are the number of tons shipped weekly across the Pacific by a shipping company.
389, 412, 560, 476, 544, 690, 587, 600, 613, 457, 504, 477, 530, 641, 359, 566, 452, 633, 474, 499, 580, 606, 344, 455, 505, 396, 347, 441, 390, 632, 400, 582
Assume these data represent an entire population. Find the population mean and the population standard deviation.