TS EAMCET · Maths · Statistics
The variance of the data is nearly
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given data, 2,3,5,11,13,17,19 & n=7 We know, Variance σ2=∑i=1nxi2n-∑i=1nxin2 ⇒σ2=4+9+25+121+169+289+3617-2+3+5+11+13+17+1972 ⇒σ2=9787-7072 ⇒σ2=2787=39.71
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