1
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If 4x $$-$$ 5y + 33 = 0 and 20x $$-$$ 9y = 107 are two lines of regression, then what are the values of $$\overline x $$ and $$\overline y $$ respectively ?
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements
I. Mean is independent of change in scale and change in origin.
II. Variance is independent of change in scale but not in origin.
Which of the above statements is/are correct?
I. Mean is independent of change in scale and change in origin.
II. Variance is independent of change in scale but not in origin.
Which of the above statements is/are correct?
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements
I. The sum of deviations from mean is always zero.
II. The sum of absolute deviations is minimum when taken around median.
Which of the above statements is/are correct?
I. The sum of deviations from mean is always zero.
II. The sum of absolute deviations is minimum when taken around median.
Which of the above statements is/are correct?
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the median of the numbers 4.6, 0, 9.3, $$-$$4.8, 7.6, 2.3, 12.7, 3.5, 8.2, 6.1, 3.9, 5.2 ?
Questions Asked from Statistics (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies