1
KCET 2019
MCQ (Single Correct Answer)
+1
-0
Mean and standard deviation of 100 items are 50 and 4 , respectively. The sum of all squares of the items is
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
For the probability distribution given by
$$ \begin{array}{|c|c|c|c|} \hline X=x_i & 0 & 1 & 2 \\ \hline P_i & \frac{25}{36} & \frac{5}{18} & \frac{1}{36} \\ \hline \end{array} $$
the standard deviation $(\sigma)$ is
$$ \begin{array}{|c|c|c|c|} \hline X=x_i & 0 & 1 & 2 \\ \hline P_i & \frac{25}{36} & \frac{5}{18} & \frac{1}{36} \\ \hline \end{array} $$
the standard deviation $(\sigma)$ is
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
If coefficient of variation is 60 and standard deviation is 24 , then Arithmetic mean is
Questions Asked from Statistics (MCQ (Single Correct Answer))
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