AP EAMCET · Maths · Statistics
The mean and the standard deviation of a data of 8 items are 25 and 5 respectively. If two items 15 and 25 are added to this data, then the variance of the new data is
- A 29
- B 24
- C 26
- D \(\sqrt{29}\)
Answer & Solution
Correct Answer
(A) 29
Step-by-step Solution
Detailed explanation
We have, \(n=8, \bar{x}=25\) and \(\sigma=5\)…
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