the given data shows mark obtained by 20 student of a class in a match 31 9 28 8 7 30 31 24 20 13 28 26 19 27 13 12 25 21 representatives by frequency distribution table find the mean
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Answer:
31_2
9_1
28_2
8_1
7_1
30_1
24_1
20_1
13_1
26_1
19_1
27_1
25_1
21_1
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