TS EAMCET · Maths · Statistics
If is the mean of the data and then the mean deviation of this data about its mean is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Mean=x¯=10=2+3+5+18+17+15+13+x+9+710 ⇒x=11 xixi-x¯2837551881771551331119173 Mean Deviation =∑i=110xi-x¯10=4810=4.8
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