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In a lake there are 3 types of fish: minnows, goldfish and sunfish. A fisherman wanted to estimate how many of each type there were. He scooped up several nets full and recorded his results (shown below).

Sample #	1	2	3	4	5	6	7	8
minnows	50	49	52	48	52	50	49	48
goldfish	42	42	42	44	42	40	42	42
sunfish	31	35	33	35	33	34	33	32

Based on the information presented can you infer anything about the number of different types of fish in the lake?

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