1
PEO
following
calculate writhmetic mean and median
5-10 10-15 15-20 20-25
25-30 30-35 35-40 40-45
6
5
1 5
5
4
2
2
Andx=20.87 M = 19.5
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Answer:
6 is answer of question
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133542685238523652
19
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