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The mean of 5 observations is \(\frac {24}{5}\) and variance is \(\frac {194}{25}\) . If the mean of first four observations is \(\frac 72\) , then the variance of first four observations is
The mean of 5 observations is \(\frac {24}{5}\) and variance is \(\frac {194}{25}\) . If the mean of first four observations is \(\frac 72\) , then the variance of first four observations is
Updated On: Jan 13, 2026
\(\frac 32\)
\(\frac 52\)
\(\frac 54\)
\(\frac 23\)
Show Solution
The Correct Option is C
Solution and Explanation
Option (C) is correct: \(\frac 54\).
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