The profit earned, in dollars, for the first quarter of last year by the 10 distributors of a refrigerator company in Ottawa is given below: $2,130 3250 2657 4000 3843 5000 3500 6500 5900 4567 (a) What are the values such as $2130 and $3250 called? (b) Using $2000 up to $2500 as the first class, $2500 up to $3000 as the second class, and so forth, organize the profits into a frequency distribution. (c) What are the numbers in the right column of your frequency distribution called? (d) Describe the distribution of profits, based on the frequency distribution.