railway RRB Technician Grade 1 Mock Test 2024 Mathematics Statistics Mean Deviation

21, 34, 23, 39, 26, 37, 40, 20, 33, 27 (গড় থেকে নেওয়া) এর গড় বিচ্যুতির সহগ কত?

1
0.11
2
0.22
3
0.33
4
0.44
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