A Teacher conducts a test for 25 marks and following are the marks scored by 12 students 19,22,15,17,22,25,18,15,18,22,21,20
a The mean marks is
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Answered by
0
Answer:
first mark as brainlist
Answered by
1
Answer:
19.5
Step-by-step explanation:
19+22+15+17+22+25+18+15+18+22+21+20 / 12
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