1
KCET 2023
MCQ (Single Correct Answer)
+1
-0
The mean of 100 observations is 50 and their standard deviation is 5. Then, the sum of squares of all observations is
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0
If the standard deviation of the numbers $$-1, 0,1, k$$ is $$\sqrt{5}$$ where $$k>0$$, then $$k$$ is equal to
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0
The standard deviation of the numbers $$31,32,33 \ldots 46,47$$ is
Questions Asked from Statistics (MCQ (Single Correct Answer))
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KCET Subjects
Physics
Mechanics
Units & Measurement and Dimensions Motion Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
Optics
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Modern Physics
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Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics
Inorganic Chemistry
Periodic Table and Periodicity Chemical Bonding and Molecular Structure Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Metallurgy Coordination Compounds
Organic Chemistry
Mathematics
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Coordinate Geometry