In an experiment with 15 observations on x, the following results were available. x^ 2…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
In an experiment with 15 observations on x, the following results were available.
\(\sum x^{2}=2830, \sum x=170\)
One observation that was 20 was found to be wrong and was replaced by the correct value 30 . Then the corrected variance is
\(\sum x^{2}=2830, \sum x=170\)
One observation that was 20 was found to be wrong and was replaced by the correct value 30 . Then the corrected variance is
- 188.66
- 177.33
- 8.33
- 78.00
Answer
(D) 78.00
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