Question
What was the objective of the Indian Army’s ‘Vayu
Samanvay-II’ exercise held in October 2025?ÂSolution
The Indian Army conducted ‘Vayu Samanvay-II’ in the Desert Sector to test operational preparedness in next-generation warfare, integrating drones, electronic warfare, and real-time command systems for multi-domain coordinationÂ
Completely randomized design is based on the principles of _________ and randomization only.
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
The second quartile for the following data 38, 39, 40, 52, 59, 67, 73, 77, 149, 248 is:
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X:               �...
The variation among the observations of each specific class is known as:
For the following frequency distribution
Class :                 3-5        5-7         7-9      �...
If the first, second and third moment about origin are 2, 8 and 14. respectively, then Karl Pearson gamma coefficient of skewness y1 is:
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
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The memory-less property is followed by which of the following continuous distribution:
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