Get average values of range

	A	B	C	D	E	F	G	I	J
1	Mapping
2	Category	Sub-Category	Values
3	Category 1	TEST 2	54	82	89	87	97	Category 1	Average Value
4	Category 1	TEST 2	17	31	96	64	13	TEST 2	35.5
5	Category 1	TEST 6	78	10	50	58	11	TEST 6	44
6	Category 1	TEST 4	71	64	36	73	79	TEST 4	66.33333333
7	Category 1	TEST 6	10	85	4	24	30	TEST 1	54
8	Category 1	TEST 1	51	16	64	60	70	TEST 10	33
9	Category 2	TEST 4	29	100	32	85	96
10	Category 2	TEST 10	50	74	90	11	47
11	Category 3	TEST 7	98	54	39	17	53
12	Category 3	TEST 4	99	11	6	16	99
13	Category 1	TEST 10	16	1	51	11	31
14	Category 3	TEST 1	57	54	21	100	1
15	Category 2	TEST 3	43	55	36	18	49
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